在python目录中漫步并处理文件

解决阿披瑟克对阿拉贡解决方案的评论：

导入os文件夹=’C：’

for root, dirs, files in os.walk(folder):    for name in files:        (base, ext) = os.path.splitext(name)        if ext in "csv": print os.path.join(root, name)