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ChainMap
typing
class
· Added in 3.6.1
Deprecated 3.9
ChainMap(collections.ChainMap, MutableMapping[KT, VT])
Deprecated since 3.9.
collections.ChainMap now supports subscripting ([]). See PEP 585 and Generic Alias Type.
Deprecated alias to collections.ChainMap.
© Python Software Foundation.
PSF License Version 2
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