python中isinstance的函数

在Python中，isinstance()函数是一个内置函数，用于判断一个对象是否属于某个已知的类型。它的使用方法是使用isinstance()函数后面跟上两个参数，第一个参数是要判断的对象，第二个参数是要判断的类型。如果对象是指定类型的实例，则返回True；否则返回False。isinstance()函数还可以用来判断对象是否属于多个类型中的任意一个，可以将多个类型以元组的形式作为第二个参数传入。所以，通过使用isinstance()函数，我们可以方便地判断一个对象的类型，从而进行相应的处理。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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