Help with exercise Programming Assignment: Working with a Virtual Library

when running the code test_your_code.exercise_3(requested_book) I keep getting the same mistake, not sure what is wrong if the code is right and getting the result.

1 Like

Hi @sofacosta

Make sure that you run all of the notebook cells in order and ensure that you do not skip any!

Hope it helps! Feel free to ask if you need further assistance.

1 Like

Gracias! It was driving me crazy!

3 Likes