2-Minute Guide: Type Hints in Python (2026)

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2-Minute Guide: Type Hints in Python
Type hints in Python are a great way to make your code more readable and self-documenting. They allow you to specify the expected types of variables, function parameters, and return types.

Basic Variable Hints

You can add type hints to variables using the syntax variable: type. For example, name: str indicates that the name variable is expected to be a string.

Function Signatures

Type hints can also be used in function signatures to specify the types of parameters and return values. For example, def greet(name: str) -> None: indicates that the greet function takes a string parameter and returns nothing.