计算文件夹大小，子文件个数，子文件夹个数 （另加walk）

import  os
def get_size(path):
    name_list=os.listdir(path)
    totalsize=0
    num_file = 0
    num_dir=0
    for name in name_list:
        size=0
        abs_path=os.path.join(path,name)
        if os.path.isfile(abs_path):
            size=os.path.getsize(abs_path)
            num_file += 1
            print(f'文件：{abs_path}、大小：{size/1024/1024}M、文件个数{num_file}')
            totalsize+=size
        elif os.path.isdir(abs_path):
            num_dir+=1
            totalsize +=get_size(abs_path)[0]
            num_file+=get_size(abs_path)[1]
            num_dir += get_size(abs_path)[2]
    return totalsize,num_file,num_dir
ret=get_size(r"D:0003柳体赵体视频")
print(ret)

import os
all=os.walk("D:python-code周末大作业")
size=0
for i in all:
    print(i)
    path,dir_list,name_list=i
    for name in name_list:
        abs_path=os.path.join(path,name)
        size+=os.path.getsize(abs_path)
print(size)