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ChainMap.new_child

collections

method of ChainMap (source)

ChainMap.new_child(m=None, **kwargs)

New ChainMap with a new map followed by all previous maps.
If no map is provided, an empty dict is used.
Keyword arguments update the map or new empty dict.

© Python Software Foundation. PSF License Version 2 · Official docs ↗

Changed in 3.4, 3.10

3.4: The optional m parameter was added.
3.10: Keyword arguments support was added.