FRIST TIME USE GIT 2023-03-07 solve cats problem 5 2023-03-08 solve cats problem 6 2023-03-10 solve cats problem 7 and finish phase 2 2023-03-12 solve problem 8 and problem 9 2023-03-13 solve the whole cats project 2023-03-16 solve lab 05 and rearrange the whole file