from time import sleep, time
sleep(1) # it is gonna sleep 1 sec. you can change the time if you want
# --- there are two ways you can do it. you can choose whatever you want
import time
time.sleep(1) # it is gonna sleep 1 sec. you can change the time if you want
import time
from time import sleep, time
root = Tk()
root.after(x, my_fuction)
# x is the time(in milliseconds) and my_function is the callback to whatever function you wanna perform after x milliseconds
root.mainloop()