2020
10-16
10-16
Python基于callable函数检测对象是否可被调用
英文文档：callable(object)ReturnTrueiftheobjectargumentappearscallable,Falseifnot.Ifthisreturnstrue,itisstillpossiblethatacallfails,butifitisfalse,callingobjectwillneversucceed.Notethatclassesarecallable(callingaclassreturnsanewinstance);instancesarecallableiftheirclasshasa__call__()method.检测对象是否可被调用说明：1.方法用来检测对...
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