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+# Student Id: 2011302
+## repo link: https://github.com/315haoge/chizihao
+## Experience to maintain repo: The second lecture is very important for experience. It is useful to every developer to use Git and make programming easier.
+## Experience to review PRs: To know everyone's sentiment correctly. The proficiency is important for developers.
+## Lessons learnt: Next time, I will continue to use Git and hope to help more classmates to learn how to use it. It is convenient for us to our research. Programming is an interesting thing for me. My current research is related to SLAM, programming abaility is essential for me and I will continue to make better code for it. And thanks for your lecture.
+=======
 # 2011411
 ## repo link: https://github.com/mailtoy/AbstractBuilder-2011411
 ## Experience to maintain repo