itertools/multi_list_combination_logic_source_code.ipynb

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 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# multi-list combination source code"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[(1, 4, 7),\n",
       " (1, 4, 8),\n",
       " (1, 4, 9),\n",
       " (1, 4, 10),\n",
       " (1, 5, 7),\n",
       " (1, 5, 8),\n",
       " (1, 5, 9),\n",
       " (1, 5, 10),\n",
       " (1, 6, 7),\n",
       " (1, 6, 8),\n",
       " (1, 6, 9),\n",
       " (1, 6, 10),\n",
       " (2, 4, 7),\n",
       " (2, 4, 8),\n",
       " (2, 4, 9),\n",
       " (2, 4, 10),\n",
       " (2, 5, 7),\n",
       " (2, 5, 8),\n",
       " (2, 5, 9),\n",
       " (2, 5, 10),\n",
       " (2, 6, 7),\n",
       " (2, 6, 8),\n",
       " (2, 6, 9),\n",
       " (2, 6, 10),\n",
       " (3, 4, 7),\n",
       " (3, 4, 8),\n",
       " (3, 4, 9),\n",
       " (3, 4, 10),\n",
       " (3, 5, 7),\n",
       " (3, 5, 8),\n",
       " (3, 5, 9),\n",
       " (3, 5, 10),\n",
       " (3, 6, 7),\n",
       " (3, 6, 8),\n",
       " (3, 6, 9),\n",
       " (3, 6, 10)]"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "def myproduct(*args):\n",
    "    pools = [tuple(pool) for pool in args]\n",
    "    result = [[]]\n",
    "    for pool in pools:\n",
    "        result = [x+[y] for x in result for y in pool]\n",
    "    for prod in result:\n",
    "        yield tuple(prod)\n",
    "        \n",
    "a = [[1,2,3],[4,5,6],[7,8,9,10]]\n",
    "list(myproduct(*a))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
 ],
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   "name": "python2"
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  "language_info": {
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