Web Reference: 1 day ago · Added in version 3.3. A ChainMap class is provided for quickly linking a number of mappings so they can be treated as a single unit. It is often much faster than creating a new dictionary and running multiple update() calls. The class can be used to simulate nested scopes and is useful in templating. class collections.ChainMap(*maps) ¶ In Python 3.3 a ChainMap class was added to the collections module: A ChainMap class is provided for quickly linking a number of mappings so they can be treated as a single unit. Python’s ChainMap was added to collections in Python 3.3 as a handy tool for managing multiple scopes and contexts. This class allows you to group several dictionaries and other mappings together to make them logically appear and behave as one.
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Chainmap Python Collection Module 3 Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
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