Generate alpha numeric phrase for a defined length

phraser.py

from random import choices
from string import ascii_letters, digits


def alpha_numeric(length: int = 20) -> str:
    """Generates alpha numeric phrase.

    Args:
        length: Length of the phrase that should be generated.

    Returns:
        str:
        Randomly generated alpha numeric phrase.
    """
    return ''.join(choices(ascii_letters + digits, k=length))


if __name__ == '__main__':
    print(alpha_numeric(length=49))