def generate_visa_card_number():
visa_iin = "4" # Visa cards start with a 4
visa_account_number = random.randint(100000000, 999999999)
visa_card_number = f"{visa_iin}{visa_account_number}"
return visa_card_number
visa_iin = "4" # Visa cards start with a 4
visa_account_number = random.randint(100000000, 999999999)
visa_card_number = f"{visa_iin}{visa_account_number}"
return visa_card_number