python_typing_module_basic_type_hints_quickstart_example.py

1from typing import List
2
3def greeting(name: str) -> str:
4    return 'Hello ' + name
5
6def greet_all(names: List[str]) -> None:
7    for name in names:
8        print(greeting(name))
9
10if __name__ == "__main__":
11    greet_all(["Alice", "Bob", "Charlie"])