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两分钟掌握python构造函数和使用方法
Python构造函数是一种特殊的类方法,它在创建类的实例对象时被自动调用。构造函数的作用是初始化对象的属性和状态,以及验证对象是否有足够的资源来执行其功能。构造函数的名称是__init__(),它必须以双下划线开头,表示它是一个私有方法。
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