hi can someone help please key bind

[Alexander Kapps]

On 15.10.2011 19:30, Gary wrote:
> Hi im trying to use key bind on Tkinter to call this function
>
> def Start():
> for i in range(60,-1,-1):
> ent['text'] = i
> time.sleep(1)
> root.update()
> ent['text'] = 'Time Out!'
> root.update()
>
> i know the function is ok as i have assigned a button and i calls
> the function as i expect
> but
> root.bind('<a>',Start)
> gives the following error
>
> Exception in Tkinter callback
> Traceback (most recent call last):
> File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1413, in __call__
> return self.func(*args)
> TypeError: Start() takes no arguments (1 given)
>
> Thanks

As the error indicates, the callback function is called with an 
argument, but you don't provide one. That argument is an Event 
instance, so you can get details about the event.

Use

def Start(event):
     ...

BTW. functions, unlike classes should be all lower-case.