![]() ![]() To be even or odd which will affect calculating the check_sum. Reason for this check offset is to figure out whether the final list is going #is_even = True if (len(nums) + 1 % 2) = 0 else False The last digit appropriately bia calculating the check sum Make the current generated list pass the Luhn check by checking and adding # this section probably not even needed here # discover card starts with 6011 and is 16 digits long # master card start with 5 and is 16 digits long # american express starts with 3 and is 15 digits longĮlif t = card_types or t = card_types: ![]() Prefill with initial numbers and return it including the total number of digits # typical number of digits in credit card Prefill some values based on the card typeĬard_types = ![]() Starting_15 = int(starting_15) + randint(-15, 25)įirst solution: from random import randint Last_digit = ((sum(multiplied_by_two) + sum(remaining_numbers)) * 9) % 10 If len(str(i)) = 2: # check if the multiplied number is a two digit numberįor x in str(i): # if it is, separate them, and add them togetherįor i in cc_number: # extract remaining numbers # extract all the numbers that have to be multiplied by 2 Starting_15 = input('Enter first 15 digits: ') It will ask you for the first 15 digits of a real card so that the generated number will be "issued" by the same financial institution: from random import randint ![]()
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