【小代码】python缩放图片

from PIL import Image
import os
dir = 'labels_binary'
save ='labels_binary_resize'
imgDir = os.listdir(dir)
for i in imgDir:
     im = Image.open(os.path.join(dir,i))
     im.thumbnail((256,256))
     im.save(os.path.join(save,i))