Ответ:

import tkinter as tk

class MyButton(tk.Button):

def __init__(self, master=None, **kwargs):

super().__init__(master, **kwargs)

self.bind("<Button-1>", self.on_click)

def on_click(self, event=None):

self.config(text="Місто: Київ", width=60, height=80)

root = tk.Tk()

root.geometry("200x100")

my_button = MyButton(root, text="Click me")

my_button.pack(pady=20)

root.mainloop()