Generator of generators demo

generator-generator.py

#! /usr/bin/env python3
"""Generator of generators demo."""


from typing import Iterator, Sequence


def npowers(numbers: Sequence[int]) -> Iterator[Iterator[int]]:
    """Yield n generators of the n-power of
    numbers with n being the amount of numbers.
    """

    for power, number in enumerate(numbers):
        yield (pow(number, power) for number in numbers)


def main() -> None:
    """Run demo code."""

    for numbers in npowers(range(10)):
        for number in numbers:
            print(number)


if __name__ == '__main__':
    main()