Learn How to Work with Numbers and Strings by Implementing the Luhn Algorithm - Step 13

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Your code so far


# User Editable Region

def verify_card_number(card_number):
    sum_of_odd_digits = 0
    card_number_reversed = card_number[-1:-5:-5]
    print(card_number_reversed)
    

# User Editable Region

def main():
    card_number = '4111-1111-4555-1142'
    card_translation = str.maketrans({'-': '', ' ': ''})
    translated_card_number = card_number.translate(card_translation)

    print(translated_card_number)

    verify_card_number(translated_card_number)

main()

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Learn How to Work with Numbers and Strings by Implementing the Luhn Algorithm - Step 13

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Hi @pratheeshp8547

The error message says to use

card_number_reversed = card_number[-1:-5:-1]

Try that and see what happens.

Happy coding

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