Python - Storing Data Using Other Collection Types(set, pop, len, range, forloop)

Practical Programming
An Introduction to Computer Science
Using Python 3
(Pragmatic Programmers)
(Pragmatic Bookshelf)
Paul Gries (著) Jennifer Campbell (著)
Jason Montojo (著) Lynn Beighley (編集)

開発環境

• OS X Mavericks - Apple(OS)
• Emacs (CUI)、BBEdit - Bare Bones Software, Inc. (GUI) (Text Editor)
• Python 3.4 (プログラミング言語)

Practical Programming: An Introduction to Computer Science Using Python 3 (Pragmatic Programmers) (Paul Gries (著)、Jennifer Campbell (著)、Jason Montojo (著)、Lynn Beighley (編集)、Pragmatic Bookshelf)のChapter 11(Storing Data Using Other Collection Types)、11.8(Exercises) 2.を解いてみる。

11.8(Exercises) 2.

コード(BBEdit)

sample2.py

#!/usr/bin/env python3
#-*- coding: utf-8 -*-

def matingPairs(males, females):
    pairs = set()

    for i in range(len(males)):
        male = males.pop()
        female = females.pop()
        pair = (male, female)
        pairs.add(pair)

    return pairs
    

print(matingPairs({'a', 'b', 'c', 'd', 'e'}, {'A', 'B', 'C', 'D', 'E'}))

入出力結果(Terminal, IPython)

$ ./sample2.py
{('a', 'C'), ('c', 'A'), ('b', 'E'), ('e', 'D'), ('d', 'B')}
$