src/task0/task0.ipynb

   1 {
   2  "cells": [
   3   {
   4    "cell_type": "code",
   5    "execution_count": 3,
   6    "metadata": {},
   7    "outputs": [],
   8    "source": [
   9     "import collections"
  10    ]
  11   },
  12   {
  13    "cell_type": "markdown",
  14    "metadata": {},
  15    "source": [
  16     "Import the names, splitting the lines into individual names."
  17    ]
  18   },
  19   {
  20    "cell_type": "code",
  21    "execution_count": 1,
  22    "metadata": {},
  23    "outputs": [
  24     {
  25      "data": {
  26       "text/plain": [
  27        "200"
  28       ]
  29      },
  30      "execution_count": 1,
  31      "metadata": {},
  32      "output_type": "execute_result"
  33     }
  34    ],
  35    "source": [
  36     "invites = [line.strip().split(', ') for line in open('../../data/00-invites.txt')]\n",
  37     "len(invites)"
  38    ]
  39   },
  40   {
  41    "cell_type": "markdown",
  42    "metadata": {},
  43    "source": [
  44     "Find the line with most names"
  45    ]
  46   },
  47   {
  48    "cell_type": "code",
  49    "execution_count": 2,
  50    "metadata": {},
  51    "outputs": [
  52     {
  53      "data": {
  54       "text/plain": [
  55        "33"
  56       ]
  57      },
  58      "execution_count": 2,
  59      "metadata": {},
  60      "output_type": "execute_result"
  61     }
  62    ],
  63    "source": [
  64     "max(len(invite) for invite in invites)"
  65    ]
  66   },
  67   {
  68    "cell_type": "markdown",
  69    "metadata": {},
  70    "source": [
  71     "Create a `Counter` from the flattended list of list of names. Then count how many items are in the `Counter` with a count of more than 1."
  72    ]
  73   },
  74   {
  75    "cell_type": "code",
  76    "execution_count": 4,
  77    "metadata": {},
  78    "outputs": [
  79     {
  80      "data": {
  81       "text/plain": [
  82        "457"
  83       ]
  84      },
  85      "execution_count": 4,
  86      "metadata": {},
  87      "output_type": "execute_result"
  88     }
  89    ],
  90    "source": [
  91     "invite_counts = collections.Counter(name for invite in invites for name in invite)\n",
  92     "sum(1 for name in invite_counts if invite_counts[name] > 1)"
  93    ]
  94   },
  95   {
  96    "cell_type": "code",
  97    "execution_count": null,
  98    "metadata": {},
  99    "outputs": [],
 100    "source": []
 101   }
 102  ],
 103  "metadata": {
 104   "kernelspec": {
 105    "display_name": "Python 3",
 106    "language": "python",
 107    "name": "python3"
 108   },
 109   "language_info": {
 110    "codemirror_mode": {
 111     "name": "ipython",
 112     "version": 3
 113    },
 114    "file_extension": ".py",
 115    "mimetype": "text/x-python",
 116    "name": "python",
 117    "nbconvert_exporter": "python",
 118    "pygments_lexer": "ipython3",
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 123  "nbformat_minor": 2
 124 }