Data commit

Task/War-card-game/Python/war-card-game.py

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+""" https://bicyclecards.com/how-to-play/war/ """
+
+from numpy.random import shuffle
+
+SUITS = ['♣', '♦', '♥', '♠']
+FACES = ['2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K', 'A']
+DECK = [f + s for f in FACES for s in SUITS]
+CARD_TO_RANK = dict((DECK[i], (i + 3) // 4) for i in range(len(DECK)))
+
+
+class WarCardGame:
+    """ card game War """
+    def __init__(self):
+        deck = DECK.copy()
+        shuffle(deck)
+        self.deck1, self.deck2 = deck[:26], deck[26:]
+        self.pending = []
+
+    def turn(self):
+        """ one turn, may recurse on tie """
+        if len(self.deck1) == 0 or len(self.deck2) == 0:
+            return self.gameover()
+
+        card1, card2 = self.deck1.pop(0), self.deck2.pop(0)
+        rank1, rank2 = CARD_TO_RANK[card1], CARD_TO_RANK[card2]
+        print("{:10}{:10}".format(card1, card2), end='')
+        if rank1 > rank2:
+            print('Player 1 takes the cards.')
+            self.deck1.extend([card1, card2])
+            self.deck1.extend(self.pending)
+            self.pending = []
+        elif rank1 < rank2:
+            print('Player 2 takes the cards.')
+            self.deck2.extend([card2, card1])
+            self.deck2.extend(self.pending)
+            self.pending = []
+        else:  #  rank1 == rank2
+            print('Tie!')
+            if len(self.deck1) == 0 or len(self.deck2) == 0:
+                return self.gameover()
+
+            card3, card4 = self.deck1.pop(0), self.deck2.pop(0)
+            self.pending.extend([card1, card2, card3, card4])
+            print("{:10}{:10}".format("?", "?"), 'Cards are face down.', sep='')
+            return self.turn()
+
+        return True
+
+    def gameover(self):
+        """ game over who won message """
+        if len(self.deck2) == 0:
+            if len(self.deck1) == 0:
+                print('\nGame ends as a tie.')
+            else:
+                print('\nPlayer 1 wins the game.')
+        else:
+            print('\nPlayer 2 wins the game.')
+
+        return False
+
+
+if __name__ == '__main__':
+    WG = WarCardGame()
+    while WG.turn():
+        continue