{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {
    "deletable": true,
    "editable": true
   },
   "source": [
    "These are some experiments for refactoring [kraftur](https://github.com/kraftur)'s\n",
    "[math-game](https://github.com/kraftur/math-game)."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false,
    "deletable": true,
    "editable": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[('11 + 11', '22'), ('11 + 2', '13'), ('11 + 3', '14')]"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "addition_problems_and_answers = [\n",
    "    ('11 + 11', '22'),\n",
    "    ('11 + 2', '13'),\n",
    "    ('11 + 3', '14'),\n",
    "]\n",
    "good = addition_problems_and_answers\n",
    "good"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": false,
    "deletable": true,
    "editable": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[('11 + 11', '22'), ('11 + 2', '13'), ('11 + 3', '14')]"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "addition_problems_and_answers = '''\n",
    "    11 + 11, 22\n",
    "    11 + 2, 13\n",
    "    11 + 3, 14\n",
    "    '''\n",
    "a = addition_problems_and_answers\n",
    "b = [\n",
    "    tuple(term.strip() for term in line.split(','))\n",
    "    for line in a.split('\\n')\n",
    "    if line.strip()\n",
    "]\n",
    "b"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": true,
    "deletable": true,
    "editable": true
   },
   "outputs": [],
   "source": [
    "from random import choice, choices"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": false,
    "deletable": true,
    "editable": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "('11 + 11', '22')\n",
      "('11 + 2', '13')\n",
      "('11 + 11', '22')\n",
      "('11 + 2', '13')\n",
      "('11 + 11', '22')\n",
      "('11 + 2', '13')\n",
      "('11 + 2', '13')\n",
      "('11 + 3', '14')\n",
      "('11 + 3', '14')\n",
      "('11 + 2', '13')\n"
     ]
    }
   ],
   "source": [
    "for _ in range(10):\n",
    "    print(choice(b))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": false,
    "deletable": true,
    "editable": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[('11 + 2', '13'),\n",
       " ('11 + 2', '13'),\n",
       " ('11 + 11', '22'),\n",
       " ('11 + 3', '14'),\n",
       " ('11 + 2', '13'),\n",
       " ('11 + 11', '22'),\n",
       " ('11 + 11', '22'),\n",
       " ('11 + 2', '13'),\n",
       " ('11 + 2', '13'),\n",
       " ('11 + 2', '13')]"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "choices(b, k=10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": false,
    "deletable": true,
    "editable": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "hello world\n"
     ]
    }
   ],
   "source": [
    "print('hello', 'world')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "collapsed": false,
    "deletable": true,
    "editable": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[('11', '11'), ('11', '2'), ('11', '3')]"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "addition_problems_text = '''\n",
    "    11 11\n",
    "    11 2\n",
    "    11 3\n",
    "'''\n",
    "a = addition_problems_text\n",
    "b = [\n",
    "    tuple(operand.strip() for operand in line.split())\n",
    "    for line in a.split('\\n')\n",
    "    if line.strip()\n",
    "]\n",
    "b"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "collapsed": false,
    "deletable": true,
    "editable": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['', '    11 11', '    11 2', '    11 3', '']"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a.split('\\n')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {
    "collapsed": false,
    "deletable": true,
    "editable": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['11 11', '    11 2', '    11 3']"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a.strip().split('\\n')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {
    "collapsed": false,
    "deletable": true,
    "editable": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[(11, 11), (11, 2), (11, 3)]"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "addition_problems_text = '''\n",
    "    11 11\n",
    "    11 2\n",
    "    11 3\n",
    "'''\n",
    "a = addition_problems_text\n",
    "b = [\n",
    "    tuple(int(operand.strip()) for operand in line.split())\n",
    "    for line in a.split('\\n')\n",
    "    if line.strip()\n",
    "]\n",
    "b"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {
    "collapsed": true,
    "deletable": true,
    "editable": true
   },
   "outputs": [],
   "source": [
    "actions = {\n",
    "    'add': 1,\n",
    "    'subtract': 'hello',\n",
    "    'stats': int,\n",
    "    'quit': 1j,\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {
    "collapsed": false,
    "deletable": true,
    "editable": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Please type \"add\" or \"subtract\" or \"stats\" or \"quit\". \n"
     ]
    }
   ],
   "source": [
    "choices = ' or '.join(f'\"{action}\"' for action in actions)\n",
    "print(f'Please type {choices}. ')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {
    "collapsed": false,
    "deletable": true,
    "editable": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Please type \"add\" or \"subtract\" or \"stats\" or \"quit\". \n"
     ]
    }
   ],
   "source": [
    "choices = ' or '.join(map(lambda action: f'\"{action}\"', actions))\n",
    "print(f'Please type {choices}. ')"
   ]
  }
 ],
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