Cartesian product of card ranks & suits

cartesian_product.py

#!/usr/bin/env python3

card_ranks = ["A", "K", "Q"]
card_suits = ["♠", "♥", "♦", "♣"]

# cartesian product of cards, arranged by ranks
cards = [(rank, suit) for rank in card_ranks for suit in card_suits]
print(cards)

# cartesian product of cards, arranged by suits
cards = [(rank, suit) for suit in card_suits for rank in card_ranks]
print(cards)

"""
output:
[('A', '♠'), ('A', '♥'), ('A', '♦'), ('A', '♣'), ('K', '♠'), ('K', '♥'), ('K', '♦'), ('K', '♣'), ('Q', '♠'), ('Q', '♥'), ('Q', '♦'), ('Q', '♣')]
[('A', '♠'), ('K', '♠'), ('Q', '♠'), ('A', '♥'), ('K', '♥'), ('Q', '♥'), ('A', '♦'), ('K', '♦'), ('Q', '♦'), ('A', '♣'), ('K', '♣'), ('Q', '♣')]
"""