# ACM learning note ## git exercise_2 ### 1 ![](https://i.imgur.com/QqRPR1n.jpg) ### 2 ![](https://i.imgur.com/wa9TLb4.jpg) ### 3 ![](https://i.imgur.com/kAu0tAG.jpg) ### 4 ![](https://i.imgur.com/6T2NO7b.jpg) ![](https://i.imgur.com/02H4VOQ.gif)