安装python337的参考:D:\Python 3.5\Tools\scripts 找到 2to3.py文件
执行命令转换单个文件或者目录
D:\dev\python37\Tools\scripts>python 2to3.py -w D:\dev\python37\Tools\scripts\old.py
转换结果:新文件 RefactoringTool: D:\dev\python37\Tools\scripts\old.py
标签:old,代码,py,dev,python37,scripts,Tools,python3,python2 From: https://www.cnblogs.com/51testing/p/17154141.html