c.py

from PIL import Image,ImageSequence
from tkinter import filedialog, Tk

root=Tk()
root.withdraw()
img=Image.open('Robot.gif')
num=0
path=r'C:\Users\Administrator\Desktop\img'
for i in ImageSequence.Iterator(img):
    i.save(path+'\\'+str(num)+".png")
    num+=1
path = filedialog.askopenfilenames(title='选择图片文件',filetypes=[('png','.png')],
                                   initialdir='C:\\Users\\Administrator\\Desktop\\img')