from collections.abc import Mapping, MutableMapping
#dict属于mapping类型, MutalbelMapping继承Mapping
a = {}
print(isinstance(a, Mapping))
print (isinstance(a, MutableMapping))
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from collections.abc import Mapping, MutableMapping
#dict属于mapping类型, MutalbelMapping继承Mapping
a = {}
print(isinstance(a, Mapping))
print (isinstance(a, MutableMapping))
相关文章：