![]() Vector and list will be treated as interchangeable synonyms:ĭef hash_a ( item : object ) -> int : # Fails an object does not have a 'magic' method. PEP 612: Parameter Specification VariablesĪ type alias is defined by assigning the type to the alias.Introducing types.UnionType and the ability to use PEP 604: Allow writing union types as X | Y. ![]() PEP 593: Flexible function and variable annotations.PEP 591: Adding a final qualifier to typing.PEP 589: TypedDict: Type Hints for Dictionaries with a Fixed Set of Keys.Introducing types.GenericAlias and the ability to use standard PEP 585: Type Hinting Generics In Standard Collections.PEP 544: Protocols: Structural subtyping (static duck typing).Introducing syntax for annotating variables outside of function PEP 526: Syntax for Variable Annotations.Number of PEPs have modified and enhanced Python’s framework for type Since the initial introduction of type hints in PEP 484 and PEP 483, a Provides backports of these new features to older versions of Python. New features are frequently added to the typing module. In the function greeting, the argument name is expected to be of type Def greeting ( name : str ) -> str : return 'Hello ' + name
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