一日一技：快速判断Python变量是否为多个类型之一

def test(tag):    if isinstance(tag, list) or isinstance(tag, str):        print('输入参数合法，进行后续操作')

def test(tag):    if isinstance(tag, (list, str)):        print('输入参数合法，进行后续操作')

help(isinstance)

isinstance(obj, class_or_tuple, /)    Return whether an object is an instance of a class or of a subclass thereof.
    A tuple, as in ``isinstance(x, (A, B, ...))``, may be given as the target to    check against. This is equivalent to ``isinstance(x, A) or isinstance(x, B)    or ...`` etc.