Programma 1

from tkinter import *

root = Tk()

def on_click(event):
    t = event.widget
    tmp.config(text = t.cget('text'))


for i in range(5):
    square = Label(text = str(i), bg = 'blue', width = 4)
    square.bind('<Button-1>', on_click)
    square.grid(row = 0, column = i)

tmp = Label(bg = 'red', text = 'Числа')
tmp.grid(row = 1, columnspan = 5, sticky = W+E)

root.mainloop()