Learn How to Work with Numbers and Strings by Implementing the Luhn Algorithm - Step 19

Python
1

Tell us what’s happening:

Describe your issue in detail here.
can anyone please help me with this for loop i am stuck in this step…

Your code so far


# User Editable Region

def verify_card_number(card_number):
    sum_of_odd_digits = 0
    card_number_reversed = card_number[::-1]
    odd_digits = card_number_reversed[::2]
for odd_digits in digit:
    print(odd_digits)
    

# User Editable Region

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

    verify_card_number(translated_card_number)

main()

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Challenge Information:

Learn How to Work with Numbers and Strings by Implementing the Luhn Algorithm - Step 19

2

You appear to have created this post without editing the template. Please edit your post to Tell us what’s happening in your own words.

3

You need to iterate over odd_digits. You exchanged the loop variable and the iterable.

1 Like
4

also make sure you use the correct indentation, you want the loop inside the function

5

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