{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Python: As a very good scripting language\n",
"Gonzalo Rios - grios@dim.uchile.cl\n",
"\n",
"https://docs.python.org/3/tutorial/index.html"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:26:24.466298Z",
"start_time": "2018-09-25T19:26:24.463128Z"
}
},
"outputs": [],
"source": [
"'hola'"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:26:26.351829Z",
"start_time": "2018-09-25T19:26:26.348784Z"
}
},
"outputs": [],
"source": [
"\"hola\""
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:26:31.337868Z",
"start_time": "2018-09-25T19:26:31.334780Z"
}
},
"outputs": [],
"source": [
"1 + 2"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:26:38.977722Z",
"start_time": "2018-09-25T19:26:38.974296Z"
}
},
"outputs": [],
"source": [
"1e9 * 1.0125 // 33.93 ** 2.2"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:26:52.661801Z",
"start_time": "2018-09-25T19:26:52.659107Z"
}
},
"outputs": [],
"source": [
"#Comment\n",
"x = 'chao'\n",
"print(x)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:27:14.171060Z",
"start_time": "2018-09-25T19:27:14.167572Z"
}
},
"outputs": [],
"source": [
"x"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:27:31.864405Z",
"start_time": "2018-09-25T19:27:31.859415Z"
}
},
"outputs": [],
"source": [
"help(help)\n",
"print('\\n' + (('*' * 90) + '\\n') * 5)\n",
"help(print)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:27:55.782208Z",
"start_time": "2018-09-25T19:27:55.778751Z"
}
},
"outputs": [],
"source": [
"p = print\n",
"p"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Jupyter Notebook\n",
"Markdown and $Latex$ support. Nbextensions. Templates."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Esta es una funcion cosntante: $f(x) = \\pi$"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:29:31.086111Z",
"start_time": "2018-09-25T19:29:31.083053Z"
}
},
"outputs": [],
"source": [
"p?"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:29:50.130861Z",
"start_time": "2018-09-25T19:29:50.020660Z"
}
},
"outputs": [],
"source": [
"!ls"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:30:11.507857Z",
"start_time": "2018-09-25T19:30:11.491486Z"
}
},
"outputs": [],
"source": [
"%lsmagic"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:30:30.346340Z",
"start_time": "2018-09-25T19:30:30.336493Z"
}
},
"outputs": [],
"source": [
"%%bash\n",
"pwd\n",
"ls\n",
"cd ..\n",
"echo\n",
"pwd\n",
"ls"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:30:47.506350Z",
"start_time": "2018-09-25T19:30:47.500380Z"
}
},
"outputs": [],
"source": [
"%%latex\n",
"\\begin{align}\n",
"a = \\frac{1}{2} && b = \\frac{1}{3} && c = \\frac{1}{4} \\\\\n",
"a && b && c \\\\\n",
"1 && 2 && 3\n",
"\\end{align}"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:31:02.349349Z",
"start_time": "2018-09-25T19:31:02.343519Z"
}
},
"outputs": [],
"source": [
"%%HTML\n",
"Jupyter Notebooks can render HTML
\n",
"![](\"https://camo.githubusercontent.com/3ec6e20e53426846408ecb76fe9e858473b194d0/687474703a2f2f7777772e717569636b6d656d652e636f6d2f696d672f65332f653333626663343433643263633366636237396332353462643934656431646663316665396433376431303764313530613236613565386535326661643062302e6a7067\")
"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:31:17.608744Z",
"start_time": "2018-09-25T19:31:17.603904Z"
}
},
"outputs": [],
"source": [
"%%time\n",
"p('hola')\n",
"p('chao')"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:31:31.817231Z",
"start_time": "2018-09-25T19:31:31.809837Z"
}
},
"outputs": [],
"source": [
"%time p('hola')\n",
"p('chao')"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:31:56.282850Z",
"start_time": "2018-09-25T19:31:46.660964Z"
}
},
"outputs": [],
"source": [
"%%timeit\n",
"p('hola')\n",
"p('chao')"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:32:21.133920Z",
"start_time": "2018-09-25T19:32:16.544027Z"
}
},
"outputs": [],
"source": [
"%timeit p('hola')\n",
"p('chao')"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:32:33.379188Z",
"start_time": "2018-09-25T19:32:33.373443Z"
}
},
"outputs": [],
"source": [
"%%prun\n",
"p('hola')\n",
"p('chao')"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:32:57.599973Z",
"start_time": "2018-09-25T19:32:57.594682Z"
},
"scrolled": true
},
"outputs": [],
"source": [
"%hist"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Strings"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:34:54.875569Z",
"start_time": "2018-09-25T19:34:54.872264Z"
}
},
"outputs": [],
"source": [
"'Hello world!'"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:34:56.813077Z",
"start_time": "2018-09-25T19:34:56.809775Z"
}
},
"outputs": [],
"source": [
"\"Spam and eggs...\""
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:35:00.579565Z",
"start_time": "2018-09-25T19:35:00.576096Z"
}
},
"outputs": [],
"source": [
"\"First string\" + \", \" + \"second string\""
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:35:11.856460Z",
"start_time": "2018-09-25T19:35:11.853142Z"
}
},
"outputs": [],
"source": [
"\"spam \" * 3"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:35:24.383450Z",
"start_time": "2018-09-25T19:35:24.375588Z"
}
},
"outputs": [],
"source": [
"p(42, '42', str(42))"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:35:43.986718Z",
"start_time": "2018-09-25T19:35:43.983263Z"
}
},
"outputs": [],
"source": [
"42, '42', str(42)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:36:05.344117Z",
"start_time": "2018-09-25T19:36:05.339120Z"
}
},
"outputs": [],
"source": [
"42 == '42'"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:36:09.291487Z",
"start_time": "2018-09-25T19:36:09.288165Z"
}
},
"outputs": [],
"source": [
"str(42) == '42'"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:36:13.230127Z",
"start_time": "2018-09-25T19:36:13.226769Z"
}
},
"outputs": [],
"source": [
"\"Spam \" * 3 + str(42) * 2"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Strings Functions"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:37:01.597208Z",
"start_time": "2018-09-25T19:37:01.593722Z"
}
},
"outputs": [],
"source": [
"\"Numbers: {0} {1} {2}\".format(34, 75, 847)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:37:16.727560Z",
"start_time": "2018-09-25T19:37:16.723809Z"
}
},
"outputs": [],
"source": [
"\"Numbers: {x},{y}\".format(y=1, x=2)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:37:28.167137Z",
"start_time": "2018-09-25T19:37:28.163613Z"
}
},
"outputs": [],
"source": [
"\", \".join([\"spam\", \"eggs\", \"ham\"])"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:37:40.674257Z",
"start_time": "2018-09-25T19:37:40.670387Z"
}
},
"outputs": [],
"source": [
"\"Hello ME\".replace(\"ME\", \"world\")"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:37:45.372245Z",
"start_time": "2018-09-25T19:37:45.368487Z"
}
},
"outputs": [],
"source": [
"\"This is a sentence.\".startswith(\"This\")"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:37:47.173082Z",
"start_time": "2018-09-25T19:37:47.169873Z"
}
},
"outputs": [],
"source": [
"\"This is a sentence.\".endswith(\"sentence.\")"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:37:49.066741Z",
"start_time": "2018-09-25T19:37:49.063641Z"
}
},
"outputs": [],
"source": [
"\"This is a sentence.\".upper()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:37:51.726530Z",
"start_time": "2018-09-25T19:37:51.723156Z"
}
},
"outputs": [],
"source": [
"\"AN ALL CAPS SENTENCE\".lower()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:37:55.508551Z",
"start_time": "2018-09-25T19:37:55.504337Z"
}
},
"outputs": [],
"source": [
"\"spam, eggs, ham\".split(\", \")"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:38:02.994790Z",
"start_time": "2018-09-25T19:38:02.990437Z"
}
},
"outputs": [],
"source": [
"len('abcdefghi')"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:38:16.883180Z",
"start_time": "2018-09-25T19:38:16.877548Z"
}
},
"outputs": [],
"source": [
"chr(254), ord('รพ')"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Numbers"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:39:12.388387Z",
"start_time": "2018-09-25T19:39:12.384855Z"
}
},
"outputs": [],
"source": [
"(1 + 2 * 3 % 2 ** 2) ** 2 // 2 - 5 / 2"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:39:20.612600Z",
"start_time": "2018-09-25T19:39:20.609230Z"
}
},
"outputs": [],
"source": [
"p(2 + 3)\n",
"\n",
"p(-2 * 9)\n",
"\n",
"p(2**8 + 1 / 8)\n",
"\n",
"p(20 // 6 + 1.25 % 0.5)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Numbers Functions"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:39:32.053487Z",
"start_time": "2018-09-25T19:39:32.047884Z"
}
},
"outputs": [],
"source": [
"pow(10, 0.5)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:39:38.720132Z",
"start_time": "2018-09-25T19:39:38.716636Z"
}
},
"outputs": [],
"source": [
"round(101.26, -1)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:39:54.668773Z",
"start_time": "2018-09-25T19:39:54.663100Z"
}
},
"outputs": [],
"source": [
"round(101.26, 1)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:40:00.493442Z",
"start_time": "2018-09-25T19:40:00.487973Z"
}
},
"outputs": [],
"source": [
"round(101.26, 0)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:40:19.606351Z",
"start_time": "2018-09-25T19:40:19.600789Z"
}
},
"outputs": [],
"source": [
"int(10.2), int('100', base=2)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:40:37.997190Z",
"start_time": "2018-09-25T19:40:37.993673Z"
}
},
"outputs": [],
"source": [
"int('100',base=13)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:40:44.169452Z",
"start_time": "2018-09-25T19:40:44.165802Z"
}
},
"outputs": [],
"source": [
"(1024).bit_length()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:40:48.508445Z",
"start_time": "2018-09-25T19:40:48.505132Z"
}
},
"outputs": [],
"source": [
"float(10.1413614624242245242), float('10.e2')"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:41:13.337191Z",
"start_time": "2018-09-25T19:41:13.332037Z"
}
},
"outputs": [],
"source": [
"(-2.0).is_integer()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:41:31.875202Z",
"start_time": "2018-09-25T19:41:31.869435Z"
}
},
"outputs": [],
"source": [
"complex(1, 5.52352), complex('4+3e-1j').conjugate()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:41:34.104330Z",
"start_time": "2018-09-25T19:41:34.101116Z"
}
},
"outputs": [],
"source": [
"(1 + 2j).real, (1 + 2j).imag"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:41:38.029471Z",
"start_time": "2018-09-25T19:41:38.026195Z"
}
},
"outputs": [],
"source": [
"abs(-10.1), abs(1 + 1j)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:41:57.005096Z",
"start_time": "2018-09-25T19:41:56.999437Z"
}
},
"outputs": [],
"source": [
"divmod(10, 3), divmod(10.1, 2.5)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:42:03.434505Z",
"start_time": "2018-09-25T19:42:03.428515Z"
}
},
"outputs": [],
"source": [
"hex(1234567), oct(1234567), bin(1234567)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Variables"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:42:52.298649Z",
"start_time": "2018-09-25T19:42:52.294624Z"
}
},
"outputs": [],
"source": [
"x = \"X\" * 3\n",
"y = 5\n",
"x * y"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:43:22.940234Z",
"start_time": "2018-09-25T19:43:22.934664Z"
}
},
"outputs": [],
"source": [
"# Operators\n",
"x = 42.245\n",
"p(x)\n",
"\n",
"x += 3\n",
"p(x)\n",
"\n",
"x -= 5\n",
"p(x)\n",
"\n",
"x *= 2\n",
"p(x)\n",
"\n",
"x /= 4\n",
"p(x)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:43:41.406325Z",
"start_time": "2018-09-25T19:43:41.401854Z"
}
},
"outputs": [],
"source": [
"x = \"spam\"\n",
"p(x)\n",
"\n",
"x += \"eggs\"\n",
"p(x)\n",
"\n",
"x *= 3\n",
"p(x)\n",
"\n",
"x, x.find('egg')"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:45:13.946505Z",
"start_time": "2018-09-25T19:45:13.943921Z"
}
},
"outputs": [],
"source": [
"# x.\n",
"# space name = 7\n",
"# 123abc = 7\n",
"# f\"He said his name is {x}.\""
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Control Flow"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:45:36.658492Z",
"start_time": "2018-09-25T19:45:36.654642Z"
}
},
"outputs": [],
"source": [
"# Boolean\n",
"False, True, bool(0), bool(1), bool(False), bool(True), bool(None), bool(bool)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:47:14.679733Z",
"start_time": "2018-09-25T19:47:14.676001Z"
}
},
"outputs": [],
"source": [
"a = 7\n",
"b = 1 if a <= 5 else 42\n",
"b"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:47:51.204175Z",
"start_time": "2018-09-25T19:47:51.199581Z"
}
},
"outputs": [],
"source": [
"# if, else, elif\n",
"my_boolean = False # True\n",
"if(2 != 10 and my_boolean):\n",
" p(2)\n",
"elif(not (7 <= 5 or 42 == \"the answer to the life the universe and everything\")):\n",
" p(x * 42)\n",
"else:\n",
" p(x * 43)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:48:11.869023Z",
"start_time": "2018-09-25T19:48:09.144860Z"
}
},
"outputs": [],
"source": [
"%%timeit\n",
"b = 1 if a > 5 else 2"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:48:14.609623Z",
"start_time": "2018-09-25T19:48:11.870602Z"
}
},
"outputs": [],
"source": [
"%%timeit\n",
"if a > 5:\n",
" b = 1\n",
"else:\n",
" b = 2"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:50:21.258654Z",
"start_time": "2018-09-25T19:50:21.255847Z"
}
},
"outputs": [],
"source": [
"# while - break\n",
"i = 1\n",
"while 1 == 1:\n",
" p(i)\n",
" i += 1\n",
" if i >= 5:\n",
" p(\"Breaking\\n\")\n",
" break"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:51:19.113334Z",
"start_time": "2018-09-25T19:51:19.107132Z"
}
},
"outputs": [],
"source": [
"# while - continue\n",
"i = 0\n",
"j = 3\n",
"while True:\n",
" i += 1\n",
" if i == j:\n",
" p(\"Skipping \" + str(j))\n",
" continue\n",
" elif i == 5:\n",
" p(\"Breaking\")\n",
" break\n",
" else:\n",
" p(\"Passing \" + str(i)) \n",
" pass\n",
" p(i)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:52:05.397265Z",
"start_time": "2018-09-25T19:52:05.394149Z"
}
},
"outputs": [],
"source": [
"# For loop, else\n",
"words = [\"hello\", \"world\", \"spam\", \"eggs\"]\n",
"for word in words:\n",
" p(word + \"!\")\n",
"else:\n",
" p(\"Ham \")"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Exceptions"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:52:28.533033Z",
"start_time": "2018-09-25T19:52:28.514069Z"
}
},
"outputs": [],
"source": [
"11/0"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:53:22.827022Z",
"start_time": "2018-09-25T19:53:22.814775Z"
}
},
"outputs": [],
"source": [
"try:\n",
" 11/0\n",
" p('try')\n",
"except ZeroDivisionError as m:\n",
" p('zero')\n",
"except Exception as m:\n",
" p(m)\n",
"else:\n",
" p('else')\n",
"finally:\n",
" p('finally')"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:53:43.657098Z",
"start_time": "2018-09-25T19:53:43.653487Z"
}
},
"outputs": [],
"source": [
"try:\n",
" 1 + '2' + 3 + '4'\n",
" p('try')\n",
"except ZeroDivisionError as m:\n",
" p('zero')\n",
"except Exception as m:\n",
" p(m)\n",
"else:\n",
" p('else')\n",
"finally:\n",
" p('finally')"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:54:01.655279Z",
"start_time": "2018-09-25T19:54:01.650368Z"
}
},
"outputs": [],
"source": [
"try:\n",
" pass\n",
" p('try')\n",
"except ZeroDivisionError as m:\n",
" p('zero')\n",
"except Exception as m:\n",
" p(m)\n",
"else:\n",
" p('else')\n",
"finally:\n",
" p('finally')"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:54:57.198852Z",
"start_time": "2018-09-25T19:54:57.192411Z"
}
},
"outputs": [],
"source": [
"x = 11\n",
"y = 0\n",
"if y is 0:\n",
" raise Exception('ERROR! '*10)\n",
"else:\n",
" p(x/y)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Structures\n",
"https://docs.python.org/3/tutorial/datastructures.html"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:55:58.419876Z",
"start_time": "2018-09-25T19:55:58.414516Z"
}
},
"outputs": [],
"source": [
"# Data Structures\n",
"tuples = (1, 2, 3, 4)\n",
"sets = {1, 2, 3, 4}\n",
"lists = [1, 2, 3, 4]\n",
"dictionaries = {1: 1, 2: 2, 3: 3, 4: 4}\n",
"\n",
"p(tuples)\n",
"p(sets)\n",
"p(dictionaries)\n",
"p(lists)\n",
"len(lists)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Tuples"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:56:19.250689Z",
"start_time": "2018-09-25T19:56:19.245032Z"
}
},
"outputs": [],
"source": [
"words = (\"spam\", \"eggs\", \"sausages\")\n",
"words"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:56:23.745981Z",
"start_time": "2018-09-25T19:56:23.742867Z"
}
},
"outputs": [],
"source": [
"words[2]"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:56:30.232727Z",
"start_time": "2018-09-25T19:56:30.225549Z"
}
},
"outputs": [],
"source": [
"# words[3]"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:57:22.353301Z",
"start_time": "2018-09-25T19:57:22.347824Z"
}
},
"outputs": [],
"source": [
"# words[2] = \"fries\""
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:58:49.969509Z",
"start_time": "2018-09-25T19:58:49.963805Z"
}
},
"outputs": [],
"source": [
"nums = \"one\", \"two\", \"three\", \"four\"\n",
"nums[0]"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:58:50.424984Z",
"start_time": "2018-09-25T19:58:50.154868Z"
}
},
"outputs": [],
"source": [
"a, *b, c = nums\n",
"b"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:58:58.648626Z",
"start_time": "2018-09-25T19:58:58.644933Z"
}
},
"outputs": [],
"source": [
"t = tuple((1, 2))\n",
"t_ = (1, 2)\n",
"t == t_"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:59:18.943153Z",
"start_time": "2018-09-25T19:59:18.938970Z"
}
},
"outputs": [],
"source": [
"t + t_ * 2"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Sets"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:59:47.130524Z",
"start_time": "2018-09-25T19:59:47.126932Z"
}
},
"outputs": [],
"source": [
"num_set = {1, 2, 3, 4, 5}\n",
"word_set = set((\"spam\", \"eggs\", \"sausage\"))\n",
"p(num_set)\n",
"p(word_set)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T19:59:56.672501Z",
"start_time": "2018-09-25T19:59:56.668761Z"
}
},
"outputs": [],
"source": [
"3 in num_set"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:00:01.743162Z",
"start_time": "2018-09-25T20:00:01.740213Z"
}
},
"outputs": [],
"source": [
"\"spam\" not in word_set"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:00:11.983455Z",
"start_time": "2018-09-25T20:00:11.977417Z"
}
},
"outputs": [],
"source": [
"num_set.add(-7)\n",
"num_set.remove(3)\n",
"num_set"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:00:32.528276Z",
"start_time": "2018-09-25T20:00:32.524697Z"
}
},
"outputs": [],
"source": [
"num_set2 = {4, 5, 6, 7}\n",
"p(num_set | num_set2)\n",
"p(num_set & num_set2)\n",
"p(num_set - num_set2)\n",
"p(num_set2 - num_set)\n",
"p(num_set ^ num_set2)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Dictionaries"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:01:14.065129Z",
"start_time": "2018-09-25T20:01:14.062365Z"
}
},
"outputs": [],
"source": [
"empty = dict()\n",
"ages = {\"A\": 24, \"B\": 42, 3: 58}\n",
"p(empty)\n",
"p(ages)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:01:42.385128Z",
"start_time": "2018-09-25T20:01:42.373463Z"
}
},
"outputs": [],
"source": [
"ages[\"A\"] + ages[3]"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:02:06.053579Z",
"start_time": "2018-09-25T20:02:06.050604Z"
}
},
"outputs": [],
"source": [
"primary = {\n",
" \"red\": [255, 0, 0],\n",
" \"blue\": [0, 255, 0],\n",
" \"green\": [0, 0, 255],\n",
"}\n",
"p(primary)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:02:25.308855Z",
"start_time": "2018-09-25T20:02:25.304583Z"
}
},
"outputs": [],
"source": [
"primary[\"black\"] = [0, 0, 0]\n",
"primary"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:02:30.467335Z",
"start_time": "2018-09-25T20:02:30.463275Z"
}
},
"outputs": [],
"source": [
"\"black\" in primary"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:03:34.908255Z",
"start_time": "2018-09-25T20:03:34.904305Z"
}
},
"outputs": [],
"source": [
"\"white\" not in primary"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:03:36.426714Z",
"start_time": "2018-09-25T20:03:36.423271Z"
}
},
"outputs": [],
"source": [
"primary.get(\"black\")"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:03:55.446354Z",
"start_time": "2018-09-25T20:03:55.440628Z"
}
},
"outputs": [],
"source": [
"primary.get(\"white\")"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:03:57.038896Z",
"start_time": "2018-09-25T20:03:57.035333Z"
}
},
"outputs": [],
"source": [
"primary.get(\"white\", [255, 255, 255])"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:03:58.998875Z",
"start_time": "2018-09-25T20:03:58.992439Z"
}
},
"outputs": [],
"source": [
"p(primary)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:04:11.554827Z",
"start_time": "2018-09-25T20:04:11.551105Z"
}
},
"outputs": [],
"source": [
"empty.update(ages)\n",
"empty.update(primary)\n",
"empty"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:06:04.615279Z",
"start_time": "2018-09-25T20:06:04.612599Z"
}
},
"outputs": [],
"source": [
"tuple_dict = {(1, 2, 3): \"one two three\", }\n",
"# list_dict = {[1, 2, 3]: \"one two three\",}"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:06:04.955102Z",
"start_time": "2018-09-25T20:06:04.882528Z"
}
},
"outputs": [],
"source": [
"tuple_dict"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Lists"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:09:49.127700Z",
"start_time": "2018-09-25T20:09:49.124955Z"
}
},
"outputs": [],
"source": [
"l = list((1, 2, 3))\n",
"l_ = [1, 2, 3]\n",
"p(l)\n",
"p(l_)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:09:53.482285Z",
"start_time": "2018-09-25T20:09:53.479060Z"
}
},
"outputs": [],
"source": [
"p(3 in l)\n",
"p(0 not in l_)\n",
"p(l == l_)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:09:58.201735Z",
"start_time": "2018-09-25T20:09:58.198517Z"
}
},
"outputs": [],
"source": [
"l_.append(0)\n",
"p(l_)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:10:03.160579Z",
"start_time": "2018-09-25T20:10:03.157165Z"
}
},
"outputs": [],
"source": [
"l == l_"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:11:22.344749Z",
"start_time": "2018-09-25T20:11:22.340984Z"
}
},
"outputs": [],
"source": [
"l.sort()\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:11:24.042848Z",
"start_time": "2018-09-25T20:11:24.038477Z"
}
},
"outputs": [],
"source": [
"l.reverse()\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:11:27.024206Z",
"start_time": "2018-09-25T20:11:27.020687Z"
}
},
"outputs": [],
"source": [
"l.extend((10, 11, 12, 13))\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:11:34.204114Z",
"start_time": "2018-09-25T20:11:34.200803Z"
}
},
"outputs": [],
"source": [
"l.append(11)\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:11:39.092204Z",
"start_time": "2018-09-25T20:11:39.088928Z"
}
},
"outputs": [],
"source": [
"l.index(11)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:11:48.149318Z",
"start_time": "2018-09-25T20:11:48.144166Z"
}
},
"outputs": [],
"source": [
"l.count(11)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:11:57.356124Z",
"start_time": "2018-09-25T20:11:57.352385Z"
}
},
"outputs": [],
"source": [
"l.clear()\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:12:34.215758Z",
"start_time": "2018-09-25T20:12:34.209740Z"
},
"scrolled": true
},
"outputs": [],
"source": [
"l.insert(0, 0)\n",
"l.insert(0, 1)\n",
"l.insert(0, 3)\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:12:52.450691Z",
"start_time": "2018-09-25T20:12:52.446622Z"
},
"scrolled": true
},
"outputs": [],
"source": [
"l.pop()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:12:54.777751Z",
"start_time": "2018-09-25T20:12:54.773771Z"
}
},
"outputs": [],
"source": [
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:16:49.182149Z",
"start_time": "2018-09-25T20:16:49.177581Z"
}
},
"outputs": [],
"source": [
"x = [30]\n",
"l.append(x)\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:17:04.291662Z",
"start_time": "2018-09-25T20:17:04.286640Z"
},
"scrolled": true
},
"outputs": [],
"source": [
"x.append(40)\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:13:07.640012Z",
"start_time": "2018-09-25T20:13:07.634824Z"
}
},
"outputs": [],
"source": [
"l.remove(3)\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:13:26.731577Z",
"start_time": "2018-09-25T20:13:26.727913Z"
}
},
"outputs": [],
"source": [
"l = l * 10 + l_ * 3\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:13:33.149266Z",
"start_time": "2018-09-25T20:13:33.144728Z"
}
},
"outputs": [],
"source": [
"l.sort()\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:18:16.983884Z",
"start_time": "2018-09-25T20:18:16.974286Z"
}
},
"outputs": [],
"source": [
"# Strings as tuples\n",
"words = [\"Hello\", \"world\", \"!\"]\n",
"p(words)\n",
"p(words[0])\n",
"p(words[1][0])"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:19:19.804251Z",
"start_time": "2018-09-25T20:19:19.798995Z"
}
},
"outputs": [],
"source": [
"# Mixed lists\n",
"things = [\"string\", 0, [1, 2, \"number\"], 4.56]\n",
"p(things)\n",
"p(things[1])\n",
"p(things[2])\n",
"p(things[2][2][2])"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:19:51.296821Z",
"start_time": "2018-09-25T20:19:51.292120Z"
}
},
"outputs": [],
"source": [
"# List Operations\n",
"nums = [7, 7, 7, 7, 7]\n",
"nums[2] = 5\n",
"nums[0] = nums[2] - nums[3]\n",
"nums[4] /= 2\n",
"p(nums)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:19:54.357069Z",
"start_time": "2018-09-25T20:19:54.353495Z"
}
},
"outputs": [],
"source": [
"nums + [4, 5, 6]"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:20:08.967210Z",
"start_time": "2018-09-25T20:20:08.963785Z"
}
},
"outputs": [],
"source": [
"nums * 3"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Others Structures"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:20:31.653680Z",
"start_time": "2018-09-25T20:20:31.648679Z"
}
},
"outputs": [],
"source": [
"b'abcefg'"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:20:33.013662Z",
"start_time": "2018-09-25T20:20:33.010111Z"
}
},
"outputs": [],
"source": [
"f = bytes((123, 57, 75, 245))\n",
"f"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:20:50.216510Z",
"start_time": "2018-09-25T20:20:50.206641Z"
}
},
"outputs": [],
"source": [
"try:\n",
" f.append(0)\n",
"except Exception as e:\n",
" p(e)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:22:10.827655Z",
"start_time": "2018-09-25T20:22:10.824091Z"
}
},
"outputs": [],
"source": [
"f = bytearray((123, 57, 75, 245))\n",
"f.append(0)\n",
"f"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:22:14.063505Z",
"start_time": "2018-09-25T20:22:14.060131Z"
}
},
"outputs": [],
"source": [
"f.reverse()\n",
"f"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:22:16.970768Z",
"start_time": "2018-09-25T20:22:16.966421Z"
}
},
"outputs": [],
"source": [
"f = memoryview(f)\n",
"f"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:22:41.998778Z",
"start_time": "2018-09-25T20:22:41.989652Z"
}
},
"outputs": [],
"source": [
"f.tolist()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:23:02.309448Z",
"start_time": "2018-09-25T20:23:02.305236Z"
}
},
"outputs": [],
"source": [
"f = frozenset(f.tolist())\n",
"f"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:23:12.605734Z",
"start_time": "2018-09-25T20:23:12.602325Z"
}
},
"outputs": [],
"source": [
"try:\n",
" f.append(0)\n",
"except Exception as e:\n",
" p(e)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Slicing"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:23:54.843624Z",
"start_time": "2018-09-25T20:23:54.837443Z"
}
},
"outputs": [],
"source": [
"t = (1, 2, 3, 4, 5)\n",
"l = [1, 2, 3, 4, 5]\n",
"s = \"12345\"\n",
"\n",
"p(l[1:3])\n",
"p(t[1:3])\n",
"p(s[1:3])"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:25:24.112198Z",
"start_time": "2018-09-25T20:25:24.107858Z"
}
},
"outputs": [],
"source": [
"p(l[0:2])\n",
"p(l[2:4])\n",
"p(l[4:6])\n",
"p(l[3:])\n",
"p(l[:3])\n",
"p(l[0:5:2])\n",
"p(l[1:-1])"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:28:55.588715Z",
"start_time": "2018-09-25T20:28:55.585154Z"
}
},
"outputs": [],
"source": [
"l[0] = 4\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:29:04.490143Z",
"start_time": "2018-09-25T20:29:04.481074Z"
}
},
"outputs": [],
"source": [
"l[0:5]"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:29:07.256155Z",
"start_time": "2018-09-25T20:29:07.244591Z"
}
},
"outputs": [],
"source": [
"l[:]"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:29:22.586856Z",
"start_time": "2018-09-25T20:29:22.581404Z"
}
},
"outputs": [],
"source": [
"l[1:3] = [5, 7]\n",
"l"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:29:30.060445Z",
"start_time": "2018-09-25T20:29:30.055314Z"
}
},
"outputs": [],
"source": [
"slice(1)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:29:32.064386Z",
"start_time": "2018-09-25T20:29:32.060886Z"
}
},
"outputs": [],
"source": [
"slice(1, 2)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:29:33.043924Z",
"start_time": "2018-09-25T20:29:33.040530Z"
}
},
"outputs": [],
"source": [
"slice(1, 2, 3)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:29:49.239201Z",
"start_time": "2018-09-25T20:29:49.236906Z"
}
},
"outputs": [],
"source": [
"xx = slice(1, 2, 3)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:30:46.805206Z",
"start_time": "2018-09-25T20:30:46.800098Z"
}
},
"outputs": [],
"source": [
"l[xx]"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:30:51.528426Z",
"start_time": "2018-09-25T20:30:51.522717Z"
}
},
"outputs": [],
"source": [
"l[slice(1, -1, 2)]"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:30:52.839651Z",
"start_time": "2018-09-25T20:30:52.836344Z"
}
},
"outputs": [],
"source": [
"l[1:-1:2]"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# I/O"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:31:05.170336Z",
"start_time": "2018-09-25T20:31:05.168106Z"
}
},
"outputs": [],
"source": [
"p = print"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:31:25.128085Z",
"start_time": "2018-09-25T20:31:16.912533Z"
}
},
"outputs": [],
"source": [
"inText = input(\"Enter something please: \")\n",
"p(inText)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:31:49.668653Z",
"start_time": "2018-09-25T20:31:49.663135Z"
}
},
"outputs": [],
"source": [
"print(3, 4, ['hola', 'chao'], '?', print)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:32:05.633757Z",
"start_time": "2018-09-25T20:32:05.630799Z"
}
},
"outputs": [],
"source": [
"print(3, 4, sep=',', end=' EOF\\n', file=None, flush=False)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:32:43.957655Z",
"start_time": "2018-09-25T20:32:43.950380Z"
}
},
"outputs": [],
"source": [
"# write mode\n",
"file = open(\"filename.txt\", \"w\")\n",
"file.write(str(123))\n",
"file.close()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:33:12.914950Z",
"start_time": "2018-09-25T20:33:12.911392Z"
}
},
"outputs": [],
"source": [
"# read mode\n",
"file = open(\"filename.txt\", \"r\")\n",
"p(file.read())\n",
"file.close()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:33:39.012908Z",
"start_time": "2018-09-25T20:33:39.010015Z"
}
},
"outputs": [],
"source": [
"# append mode\n",
"file_test = open(\"filename.txt\", \"a\")\n",
"print(4,5,6, sep=',', end=' EOF\\n', file=file_test, flush=True)\n",
"file_test.close()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:35:24.854842Z",
"start_time": "2018-09-25T20:35:24.851358Z"
}
},
"outputs": [],
"source": [
"# read binary mode\n",
"file = open(\"filename.txt\", \"rb\")\n",
"p(file.read())\n",
"file.close()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:36:30.134990Z",
"start_time": "2018-09-25T20:36:30.126351Z"
}
},
"outputs": [],
"source": [
"# good practice\n",
"try:\n",
" f = open(\"filename.txt\")\n",
" print(f.read())\n",
"finally:\n",
" f.close()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:37:04.817533Z",
"start_time": "2018-09-25T20:37:04.814413Z"
}
},
"outputs": [],
"source": [
"# with statment\n",
"with open(\"filename.txt\") as f:\n",
" p(f.read())"
]
},
{
"cell_type": "markdown",
"metadata": {
"collapsed": true
},
"source": [
"# Compile"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:37:57.832097Z",
"start_time": "2018-09-25T20:37:57.828469Z"
}
},
"outputs": [],
"source": [
"python_code = \"7*64*'str'\"\n",
"c = compile(python_code, 'test.x', 'exec')\n",
"c, exec(c), eval(c)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:38:34.287946Z",
"start_time": "2018-09-25T20:38:34.274887Z"
}
},
"outputs": [],
"source": [
"c = compile(python_code, 'test.x', 'eval')\n",
"c, exec(c), eval(c)"
]
},
{
"cell_type": "markdown",
"metadata": {
"collapsed": true
},
"source": [
"# Site"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:39:21.697860Z",
"start_time": "2018-09-25T20:39:21.694659Z"
}
},
"outputs": [],
"source": [
"credits"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:39:24.188306Z",
"start_time": "2018-09-25T20:39:24.184840Z"
}
},
"outputs": [],
"source": [
"copyright"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:39:35.156929Z",
"start_time": "2018-09-25T20:39:25.888116Z"
}
},
"outputs": [],
"source": [
"license()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:40:08.057082Z",
"start_time": "2018-09-25T20:40:08.053286Z"
}
},
"outputs": [],
"source": [
"import this"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"end_time": "2018-09-25T20:40:26.782907Z",
"start_time": "2018-09-25T20:40:26.778017Z"
}
},
"outputs": [],
"source": [
"quit()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"ExecuteTime": {
"start_time": "2018-09-25T20:40:27.113Z"
}
},
"outputs": [],
"source": [
"exit()"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"anaconda-cloud": {},
"kernelspec": {
"display_name": "Python [default]",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.6.5"
},
"toc": {
"base_numbering": 1,
"nav_menu": {},
"number_sections": true,
"sideBar": true,
"skip_h1_title": false,
"title_cell": "Table of Contents",
"title_sidebar": "Contents",
"toc_cell": false,
"toc_position": {},
"toc_section_display": true,
"toc_window_display": false
}
},
"nbformat": 4,
"nbformat_minor": 2
}