类和类之间的关系#

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Python解释器搜索一个变量会按照LEGB的顺序进行搜索
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 LEGB - Local ->Embedded ->Global -> BUilt-in
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       局部     嵌套       全局      内置
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 在函数中定义的变量正常情况下属于局部作用域
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 但是可以通过nolocal或global关键字将其放到嵌套或全局作用域

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from enum import Enum,unique
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import random
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# 定义枚举（定义符号常量的最佳选择，符号常量总是优于字面常量）
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# @unique 限定唯一性
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@unique
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class Suite(Enum):
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    """docstring for suite"""
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    SPADE = 0
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    HEART = 1
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    CLUB = 2
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    DIAMOND = 3
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class Card(object):
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    """docstring for ClassName"""
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    def __init__(self, suite, face):
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        self.suite =suite
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        self.face = face
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    def show(self):
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        '显示牌面'
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        suites = ['黑桃', '红心', '梅花', '方块']
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        face = ['', 'A','2','3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q','k']
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        return f'{suites[self.suite.value]} {face[self.face]}'
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    def __str__(self):
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        return self.show()
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    def __repr__(self):
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        return self.show()
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class Poker(object):
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    """扑克"""
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    def __init__(self):
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        self.index = 0
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        self.cards = [Card(suite,face)
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                      for suite in Suite
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                      for face in range(1,14)]
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    def shuffle(self):
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        '''洗牌（随机乱序）'''
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        random.shuffle(self.cards)
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        self.index = 0
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    def deal(self):
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        '''发牌'''
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        card = self.cards[self.index]
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        self.index += 1
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        return card
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    @property
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    def has_more(self):
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        return self.index < len(self.cards)
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class Player(object):
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    def __init__(self,name):
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        self.name = name
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        self.card = []
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    def get_one(self,card):
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        '''摸一张牌'''
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        self.card.append(card)
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    def sort(self, comp=lambda card: card.face):
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        self.card.sort(key= comp)
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def main():
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    poker = Poker()
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    print(poker.cards)
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    poker.shuffle()
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    # print(poker.deal())
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    players= [Player('东邪'),Player('西毒'), Player('南帝'), Player('北丐')]
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    while poker.has_more:
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        for player in players:
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            player.get_one(poker.deal())
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    for player in players:
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        player.sort()
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        print(player.name, end='')
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        print(player.card)
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if __name__ == '__main__':
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    main()