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实例方法在类中,最常见、最重要的函数是实例方法,它的第一个参数永远是self,代表类的实例(对象)本身,通过self,方法可以访问和修改实例的属性(变量),以及调用其他实例方法,定义和调用实例方法定义当你定义一个类时,在函数内部使用s...
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