Python enumerate-function example implementation

my_enumerate.py

from typing import Generator, Iterable, T, Tuple

def my_enumerate(iterable: Iterable[T], start: int=0) -> Generator[Tuple[int, T], None, None]:
    """
    Mimics the built-in enumerate-function, accepting any iterable,
    and yielding incremented indices and values from it.
    """
    
    idx = start
    for value in iterable:
        yield idx, value
        idx += 1