Need Help Python 3 ISBN Check Digit

deleted I do not wan this to be online er0oijhw-og

Solution 1:

Wrong identation.

Try this:

while True:
    close = input("Would you like to try again? Enter 'y' for Yes and 'n' for No: ")
    if close.lower() in ("n", "no"):
        print("Exiting")
        break