from tkinter import *
w1=Tk()
w1.title("Вікно Tkinter")
w1["bg"]="light green"
def b1(event):
    w1.geometry("500x500")
    w1["bg"]="dark green"
w1.bind("<Button-1>",b1)
def b2(event):
    w1["bg"]="light green"
    w1.geometry("200x200")
w1.bind("<Button-3>",b2)