Help Making A Toggle GUI

[Yoriz]

import tkinter as tk


class MainFrame(tk.Frame):

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.toggle_state = True
        self.create_controls()

    def create_controls(self):
        self.label = tk.Label(self, bg='gray', height=3, width=25, bd=1,
                              relief='raised', font=('times', 18, 'bold'))
        self.label.pack(fill=tk.X, padx=5, pady=5)
        self.button = tk.Button(self, text='Toggle', bg='gray', height=1,
                                width=15, relief='raised', font=('times', 10),
                                command=self.on_button)
        self.button.pack(pady=15)
        self.pack()

    def on_button(self):
        if self.toggle_state:
            self.toggle_state_on()
        else:
            self.toggle_state_off()
        self.toggle_state = not self.toggle_state

    def toggle_state_on(self):
        self.label.configure(text='ON', bg='green')

    def toggle_state_off(self):
        self.label.configure(text='OFF', bg='red')


if __name__ == '__main__':
    app = tk.Tk()
    main_frame = MainFrame()
    app.mainloop()