# tk_restart_gui_counter.py

# tk_restart_gui_counter.py

import tkinter as tk

class Cv:
    counter = 0
cv = Cv()

def create_gui(): # for quick debugging

    def restart():
        cv.counter += 1
        label.configure(text=f"Counter: {cv.counter}")
        root.destroy()
        create_gui()

    root = tk.Tk()
    root.geometry("%dx%d+-10+0"%(200,200))
    label = tk.Label(root, text=f"Counter: {cv.counter}")
    label.pack()

    button = tk.Button(root, text="Restart", command=restart)
    button.pack()

    root.bind('<space>', lambda event: restart())

    root.mainloop()

create_gui()