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Python set clear()用法详解
1、 调用 set.clear() 方法可清空集合,无需传参且无返回值。 2、 所示,调用clear()方法后,集合seta中的所有元素被全部清除,输出结果显示为一个空集合。 3、 调用clear()方法可清空集合内所有元素,但集合的内存地址仍保留;而使用del(set)会彻底删除集合对象 ...
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