《Beginning Python From Novice to Professional》学习笔记十一：__Magic__

n大魔力

1.构造函数

class FooBar:    def __init__(self, value=42):        self.somevar = valueclass FooBar:    def __init__(self, valu</span><br /><hr><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.2.1/css/bootstrap.min.css" integrity="sha512-siwe/oXMhSjGCwLn+scraPOWrJxHlUgMBMZXdPe2Tnk3I0x3ESCoLz7WZ5NTH6SZrywMY+PB1cjyqJ5jAluCOg==" crossorigin="anonymous" referrerpolicy="no-referrer" />
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