Paste your code here, mark your post as having spoiler content. I've solved it in Python and it worked fine for me (and for the other 6933 persons before).
Your code must be wrong, are you printing instead of returning the value?
None is the value your function returns and 13 is the expected value in that message.
Paste your code here, mark your post as having spoiler content. I've solved it in Python and it worked fine for me (and for the other 6933 persons before).
no. i'm using return
Your code must be wrong, are you printing instead of returning the value?
None is the value your function returns and 13 is the expected value in that message.
what does None should equal 13 mean. Don't understand the error. My code works fine