GUI Button hold down - tkinter

Question

I\'m trying to do a GUI in python to control my robotic car. My question is how I do a function that determine a hold down button. I want to move the car when the button is

Answer 1

Try this...

from Tkinter import *  
root = Tk()
global hold_down

def button_hold(event):
    hold_down = True
    while hold_down: 
        print('test statement')

def stop_motor(event):
    hold_down = False
    print('button released')

button = Button(root, text ="forward")
button.pack(side=LEFT)
root.bind('',button_hold)
root.bind('',stop_motor)
root.mainloop()