Generar Credit Cards verdaderas + fechas + cvv

#!/usr/bin/env python
import random

def credit_card_number(rnd, digits=16):
    number = list(range(digits))
    for i in reversed(range(digits)):
        j = rnd.randrange(i+1)
        number[j], number[i] = number[i], number[j]
    for i in range(digits):
        if i % 2:
            number[i] *= 2
            if number[i] > 9:
                number[i] -= 9
    number_str = ''.join(map(str, number))
    return f'{number_str[:-1]}'

def credit_card_date(rnd, start='2020', digits=4):
    year = str(rnd.randint(int(start[:2]), 99))
    month = '%02i' % rnd.randint(1, 12)
    return f'{month}{year}'

def credit_card_cvv(rnd, digits=3):