from PIL import Image

 im = Image.open("C:\Users\litchi\Desktop\picture1.jpg")

 im.thumbnail((128, 128))

 im.save("pictureTN","JPEG")

 from PIL import Image

 im = Image.open("C:\Users\litchi\Desktop\picture1.jpg")

 r, g, b = im.split()

 om = Image.merge("RGB", (b, g, r))

 om.save('picture1BGR.jpg')

 from PIL import Image

 from PIL import ImageFilter

 im = Image.open("C:\Users\litchi\Desktop\picture1.jpg")

 om = im.filter(ImageFilter.CONTOUR)

 om.save('picture1Contour.jpg')

 from PIL import Image

 from PIL import ImageFilter

 im = Image.open("C:\Users\litchi\Desktop\picture2.jpg")

 om = im.filter(ImageFilter.EMBOSS)

 om.save('picture2EMBOSS.jpg')

 from PIL import Image

 im = Image.open("C:\Users\litchi\Desktop\picture3.gif")

 try:

     im.save('picframe{:02d}.png'.format(im.tell()))

     while True:

         im.seek(im.tell()+1)

         im.save('picframe{:02d}.png'.format(im.tell()))

 except:

     print("处理结束")

from PIL import Image

from PIL import ImageEnhance

im = Image.open("C:\Users\litchi\Desktop\picture2.jpg")

om = ImageEnhance.Sharpness(im)

om.enhance(20).save('picture2EnContrast.jpg')