Time delay Tkinter

by

time.sleep blocks the execution of the program.

Use after.

For example:

from Tkinter import *

def blink():
    e.config(bg='green')
    e.after(1000, lambda: e.config(bg='white')) # after 1000ms

root = Tk()
e = Entry(root)
e.pack()
b = Button(root, text="blink", command=blink)
b.pack()
root.mainloop()

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