Type hints cheat sheet (Python 3) — Mypy 0.910 documentation

Type hints cheat sheet¶ This document is a quick cheat sheet showing how to use type annotations for various common types in Python. Variables¶ Technically many of the type annotations shown below are redundant, since mypy can usually infer the type of a variable from its value. See Type inference and type annotations for more details. # This is how you declare the type of a variable age: int = 1