Non object oriented use of Tkinter in python?

Question

I'm trying out Tkinter with the (non object oriented) code fragment below: It works partially as I expected, but I thought that pressing "1" would cause the program to quit, however I get this message:

TypeError: quit() takes no arguments (1 given),

I tried changing quit to quit() but that makes things even worse. So my question: can anyone here help me
debug this?

#!/usr/bin/env python
import Tkinter as tk
def quit():
 sys.exit()
root = tk.Tk()
label = tk.Label(root, text="Hello, world")
label.pack()
label.bind("", quit)
root.mainloop()

Answer 1

the engine is probably passing an argument to your quit callback method.Try

def quit(param):
 sys.exit(str(param))

You probably don't even care about the parameter:

def quit(param):
 sys.exit()

Answer 2

I don't know the details of the Tkinter library, but you could find out what quit is being passed by modifying it to take a single parameter and printing it out (or using pdb):

 def quit(param):
 print(param)
 sys.exit()

Having taken a quick look at the documentation, it looks like event handlers (like your quit function) are passed the event that triggered them. So you can probably just ignore the parameter:

 def quit(_):
 sys.exit()