HW9.14. Fix finding the last digits of a Zip+4 code The function below takes a string, full_zip, which represents a full Zip+4 code. In data set that you are working with, the format of such a zip is as follows: 11111 -2222. The function should return the last four digits of the zip code as an integer - can you fix it? length.py 1 - def zip_extraction(full_zip): last_digits = full_zip[:6] return last_