python | isinstance 判断数据类型

isinstance(object, classinfo)   
判读object是否为classinfo类型，classinfo可以为: tuple,dict,int,float，list

a1 =323
if isinstance(a1,int):
    print (True)
else:
    print (False)

a1 = (323,3232)
if isinstance(a1,tuple):
    print (True)
else:
    print (False)

a1 = [323,3232]
if isinstance(a1,tuple):
    print (True)
else:
    print (False)

a1 = [323,3232]
if isinstance(a1,(list,int)):
    print (True)
else:
    print (False)