memtest2

from tkinter import *
from tkinter import ttk
from PIL import Image, ImageTk

img = None
PhotoImage = None

def delimg():
    global img
    global PhotoImage
    img.destroy()
    PhotoImage.destroy()
    return;

def print1st():
    global img
    global PhotoImage
    try:
        delimg()
        print1st()
    except:
        image1 = Image.open("1st.png")
        render = ImageTk.PhotoImage(image1)
        img = Label(window1, image=render)
        img.image1 = render
        img.place(x=0, y=25)
        image1.close()

def print2nd():
    global img
    global PhotoImage
    try:
        delimg()
        print2nd()
    except:
        image2 = Image.open("2nd.png")
        render = ImageTk.PhotoImage(image2)
        img = Label(window1, image=render)
        img.image2 = render
        img.place(x=0, y=25)
        image2.close()

window1 = Tk()
window1.title("Memorytest")
window1.geometry("200x225")
window1.resizable(0, 0)
window1.columnconfigure(0, weight=0)
window1.rowconfigure(0, weight=0)

ttk.Button(window1, text="Image 1", command=print1st).grid(column=1, row=1)
ttk.Button(window1, text="Image 2", command=print2nd).grid(column=2, row=1)

window1.mainloop()