hello.py:7: error: Argument 1 to "hello" has incompatible type ↪"int"; expected "str" hello.py:8: error: Argument 1 to "hello" has incompatible type ↪"List[int]"; expected "str" Sure enough, mypy has ...

Defining a list in Python is easy—just use the bracket syntax to indicate items in a list, like this: list_of_ints = [1, 2, 3] Items in a list do not have to all be the same type; they can be ...