练习题 十

　

#os模块 计算文件夹的总大小
#     1、这个文件夹里面都是文件 D:\*****\****\***
#     2、这个文件夹里面还有文件
# import os
# def file_size(path):
#     size = 0
#     l = [path]
#     while l:
#         path = l.pop()
#         lst = os.listdir(path)
#         for name in lst:
#             son_path = os.path.join(path,name)
#             if os.path.isfile(son_path):
#                 size+= os.path.getsize(son_path)
#             else:
#                 l.append(son_path)
#     return size
# size=file_size('D:\*****')
# print(size)