import os
from PIL import Image as img
i=0
# j=1399
for root, dirs, files in os.walk('D:\pro/tuu',topdown=False):
    for dir in dirs:
        i += 1
        for file in os.listdir(os.path.join(root,dir)):
            path=os.path.join(root,dir)
            w=img.open(os.path.join(path,'label.png'))
            x=dir.split('_')
            q=x[0]+'_mask'
            w.save('D:\pro\crack\新建文件夹 (2)/new5/%s.png'%(q))
#
# for root, dirs, files in os.walk('D:\pro\Positive2',topdown=False):
#     for dir in dirs:
#         j += 1
#         for file in os.listdir(os.path.join(root,dir)):
#             path=os.path.join(root,dir)
#             w=img.open(os.path.join(path,'img.png'))
#             w.save('D:\pro/new4/%d.png'%(j))ttiqu