“24b3a08e71c32af51f52acccb0e00a38940e549b”上不存在“data_backup/1.leetcode/1303-求团队人数/solution.cpp”
* use yapf to format all python file * yapf exclude two unittests file for they rely on writing and reading file, and format will break them * disable diff_py_file because too many diff files cause command following failed