gifs.py

import tkinter as tk
from PIL import Image

def animation(count):
    global loop
    image = photoimage_objects[count]

    gif_label.configure(image=image)
    count += 1
    if count == frames:
        count = 0
    loop = root.after(50, lambda: animation(count))

def stop_animation():
    root.after_cancel(loop)


if __name__ == '__main__':
    root = tk.Tk()
    file = "gif1.gif"

    info = Image.open(file)
    frames = info.n_frames  # gives total number of frames that gif contains

    # creating list of PhotoImage objects for each frames
    photoimage_objects = [tk.PhotoImage(file=file, format=f"gif -index {i}") for i in range(frames)]

    loop = None
    gif_label = tk.Label(root, image="")
    gif_label.pack()

    start = tk.Button(root, text="start", command=lambda: animation(0))
    start.pack()

    stop = tk.Button(root, text="stop", command=stop_animation)
    stop.pack()

    root.mainloop()