python gui - Change image immediately with mouse click on image

Change image immediately with mouse click on image.

Codes:

from tkinter import *
from PIL import ImageTk, Image

root=Tk()

#place image
path = "download (1).jpeg"
img = ImageTk.PhotoImage(Image.open(path))
panel = Label(root, image = img)
panel.image = img # keep a reference!
panel.pack(side = "top", fill = "both", expand = "yes")


def getorigin(img):
    path = "download (2).jpeg"
    img = ImageTk.PhotoImage(Image.open(path))
    panel.configure(image=img)
    panel.image = img # keep a reference!


#mouseclick event
panel.bind("<Button 1>",getorigin)


#Start the GUI
root.mainloop()