開発環境
- macOS High Sierra - Apple
- Emacs (Text Editor)
- Python 3.6 (プログラミング言語)
Pythonからはじめる数学入門 (Amit Saha (著)、黒川 利明 (翻訳)、オライリージャパン)の5章(集合と確率を操作する)、5.4(プログラミングチャレンジ)、問題5-4(トランプをよく切る)を取り組んでみる。
コード(Emacs)
Python 3
#!/usr/bin/env python3 import random class Card: def __init__(self, suit, rank): self.suit = suit self.rank = rank def __str__(self): d = {11: 'jack', 12: 'queen', 13: 'king'} return f'{d.get(self.rank, self.rank)} of {self.suit}' if __name__ == '__main__': cards = [Card(suit, rank) for suit in ['diamonds', 'clubs', 'hearts', 'spades'] for rank in range(1, 14)] for card in cards: print(card) random.shuffle(cards) print('shuffled') for card in cards: print(card)
入出力結果(Terminal, Jupyter(IPython))
$ ./sample4.py 1 of diamonds 2 of diamonds 3 of diamonds 4 of diamonds 5 of diamonds 6 of diamonds 7 of diamonds 8 of diamonds 9 of diamonds 10 of diamonds jack of diamonds queen of diamonds king of diamonds 1 of clubs 2 of clubs 3 of clubs 4 of clubs 5 of clubs 6 of clubs 7 of clubs 8 of clubs 9 of clubs 10 of clubs jack of clubs queen of clubs king of clubs 1 of hearts 2 of hearts 3 of hearts 4 of hearts 5 of hearts 6 of hearts 7 of hearts 8 of hearts 9 of hearts 10 of hearts jack of hearts queen of hearts king of hearts 1 of spades 2 of spades 3 of spades 4 of spades 5 of spades 6 of spades 7 of spades 8 of spades 9 of spades 10 of spades jack of spades queen of spades king of spades shuffled 9 of diamonds 3 of diamonds 2 of diamonds 3 of hearts 8 of spades 2 of clubs jack of diamonds 3 of spades 1 of hearts 6 of diamonds 7 of hearts 5 of hearts king of spades queen of spades 10 of spades 7 of clubs 10 of hearts 9 of spades 4 of hearts queen of diamonds king of clubs 10 of clubs king of hearts 7 of diamonds 8 of clubs queen of clubs 10 of diamonds 6 of hearts 7 of spades 5 of clubs 6 of clubs 2 of spades jack of hearts 9 of clubs queen of hearts 3 of clubs 1 of clubs jack of spades 8 of hearts 4 of spades 2 of hearts 1 of diamonds 1 of spades 6 of spades 4 of diamonds 4 of clubs 8 of diamonds jack of clubs 5 of spades king of diamonds 9 of hearts 5 of diamonds $
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