如何将某个文件夹中的文件批量改名为索引值

import os
path = 'D:\zxx\contest2\csv_test'
files = os.listdir(path)
for i, file in enumerate(files):NewName = os.path.join(path, str(i))OldName = os.path.join(path, file)os.rename(OldName, NewName)