Matimus wrote:
>> How the callback function get this two number when it has only one
>> argument (event)?
> 
> It has one argument, event, which is an instance of a class that has
> both x and y attributes.
> 
>> print "clicked at", event.x, event.y
> 
> It doesn't accept the coordinates as separate parameters because every
> event binding uses that same signature, even ones for which
> coordinates might not make any sense. I recommend you look over the
> python tutorial: http://docs.python.org/tut/
> 
> 
that was fast, thanks
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