ddd.py

from tkinter import filedialog, Tk
from PIL import Image

root = Tk()
root.withdraw()
path = filedialog.askopenfilenames(title='选择图片文件',
                                 filetypes=[("png", ".png")],
                                 initialdir="./")
list1 = []
for i in path:
    img = Image.open(i)
    list1.append(img)
list1[0].save("bot1.gif",save_all=True,
                    append_images=list1[1:])