Luhn Algorithm odd and even digits

Python
1

I could be wrong but I noticed that this exercise has a slight error in the counting:
odd_digits = card_number_reversed[::2] would return index: 0,2,4…
and
even_digits = card_number_reversed[1::2] would return index: 1,3,5…
Not actively detrimental to code but confusing for users

2

Wouldn’t that mean you are getting: first, third, fifth… digit for the odd, and second, fourth, sixth… digit for the even?

1 Like
3

Or am I getting the 0th digit? :stuck_out_tongue:

2 Likes
4

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