d.py

from tkinter import filedialog,Tk
from PIL import Image

root = Tk()#使用TK模块赋值给root对象
root.withdraw()#使用TK模块赋值给root对象
path = filedialog.askopenfilenames(title = '选择图片文件',    #使用TK模块赋值给root对象
                        filetypes = [('png', 'png')],            #选择多个图片
                        initialdir = "./")
img_list = []#创建空列表   
for i in path:#遍历
    img = Image.open(i)
    img_list.insert(0,img)#打开图片


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