from tkinter import filedialog,Tk
from PIL import Image

root = Tk()
root.withdraw()
path = filedialog.askopenfilenames(title = '选择图片文件',
                        filetypes = [('ALL Files', '*')],
                        initialdir = "./")
img_list = []
for i in path:
    img = image.open(1)
    img_list.insert(0,img)


img_list[0].save("bot.gif",save_all = True,
                append_images = img_list[1:])