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Python - Why Python: Similar but Different - set, methods, add, remove

Head First Python: A Learner’s Guide to the Fundamentals of Python Programming, A Brain-Friendly Guide、 Paul Barry(著)、 O’Reilly Mediaの Chapter 1.(Why Python?: Similar but Different)、SHARPEN YOUR PENCIL(98/682)の解答を求めてみる。

Jupyter(コード、入出力結果)

Cards.ipynb

import random

suits = ['Clubs', 'Spades', 'Hearts', 'Diamonds']
faces = ['Jack', 'Queen', 'King', 'Ace']
numbered = list(range(2, 11))
deck = set()
for suit in suits:
    for card in faces + numbered:
        deck.add((card, 'of', suit))

def draw():
    card = random.choice(list(deck))
    deck.remove(card)
    return card

len(deck)

52

draw()

(4, 'of', 'Hearts')

len(deck)

51

for _ in range(5):
    print(draw())

(9, 'of', 'Diamonds')
('King', 'of', 'Hearts')
('King', 'of', 'Diamonds')
(4, 'of', 'Spades')
(3, 'of', 'Hearts')