python 类的字符串显示

class Pair: def init(self, x, y): self.x = x self.y = y

代码语言：javascript复制

def __repr__(self):
    return 'Pair({0.x!r}, {0.y!r})'.format(self)

def __str__(self):
    return '({0.x!s}, {0.y!s})'.format(self)

class init self

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