Last active
August 29, 2015 14:06
-
-
Save d2207197/577feb34053f06e26831 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
{ | |
"metadata": { | |
"celltoolbar": "Slideshow", | |
"name": "", | |
"signature": "sha256:4951a9398336566126b4ce22d0a399a9fed01de4a5817616842dceff41199623" | |
}, | |
"nbformat": 3, | |
"nbformat_minor": 0, | |
"worksheets": [ | |
{ | |
"cells": [ | |
{ | |
"cell_type": "code", | |
"collapsed": false, | |
"input": [ | |
"def flatten(nested):\n", | |
" flat = []\n", | |
" depth = 0\n", | |
" def flatten_in(nested, flat, depth):\n", | |
" print '{}flatten_in({}, {})'.format(depth*'\\t', nested, flat)\n", | |
" for i in nested:\n", | |
" if isinstance(i, list):\n", | |
" flatten_in(i, flat,depth+1)\n", | |
" else:\n", | |
" print '{}{}.append({})'.format((depth+1)*'\\t',flat,i)\n", | |
" flat.append(i)\n", | |
" print '{}-> {}'.format(depth*'\\t',flat) \n", | |
" return flat\n", | |
" flatten_in(nested, flat, depth)\n", | |
" return flat" | |
], | |
"language": "python", | |
"metadata": {}, | |
"outputs": [], | |
"prompt_number": 41 | |
}, | |
{ | |
"cell_type": "code", | |
"collapsed": false, | |
"input": [ | |
"flatten([[1,[[3],2]],1,[[3]]])\n" | |
], | |
"language": "python", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"output_type": "stream", | |
"stream": "stdout", | |
"text": [ | |
"flatten_in([[1, [[3], 2]], 1, [[3]]], [])\n", | |
"\tflatten_in([1, [[3], 2]], [])\n", | |
"\t\t[].append(1)\n", | |
"\t\tflatten_in([[3], 2], [1])\n", | |
"\t\t\tflatten_in([3], [1])\n", | |
"\t\t\t\t[1].append(3)\n", | |
"\t\t\t-> [1, 3]\n", | |
"\t\t\t[1, 3].append(2)\n", | |
"\t\t-> [1, 3, 2]\n", | |
"\t-> [1, 3, 2]\n", | |
"\t[1, 3, 2].append(1)\n", | |
"\tflatten_in([[3]], [1, 3, 2, 1])\n", | |
"\t\tflatten_in([3], [1, 3, 2, 1])\n", | |
"\t\t\t[1, 3, 2, 1].append(3)\n", | |
"\t\t-> [1, 3, 2, 1, 3]\n", | |
"\t-> [1, 3, 2, 1, 3]\n", | |
"-> [1, 3, 2, 1, 3]\n" | |
] | |
}, | |
{ | |
"metadata": {}, | |
"output_type": "pyout", | |
"prompt_number": 42, | |
"text": [ | |
"[1, 3, 2, 1, 3]" | |
] | |
} | |
], | |
"prompt_number": 42 | |
}, | |
{ | |
"cell_type": "code", | |
"collapsed": false, | |
"input": [ | |
"!gist flatten.ipynb --update 577feb34053f06e26831" | |
], | |
"language": "python", | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"output_type": "stream", | |
"stream": "stdout", | |
"text": [ | |
"https://gist.github.com/577feb34053f06e26831\r\n" | |
] | |
} | |
], | |
"prompt_number": 33 | |
}, | |
{ | |
"cell_type": "code", | |
"collapsed": false, | |
"input": [], | |
"language": "python", | |
"metadata": {}, | |
"outputs": [] | |
} | |
], | |
"metadata": {} | |
} | |
] | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment