Cc Checker.rar Apr 2026

# Reverse the card number card_number = card_number[::-1]

def validate_card_number(card_number): try: card_number = [int(digit) for digit in str(card_number)] except ValueError: return False cc checker.rar

# Double every second digit for i in range(1, len(card_number), 2): card_number[i] = card_number[i] * 2 # Subtract 9 from numbers over 9 if card_number[i] > 9: card_number[i] -= 9 # Reverse the card number card_number = card_number[::-1]