Camellia wrote: > Oh how can I thank you enough, you make my day:) > According to what you said I finally figure it out, it is the same as: > > <code> > b = 1 > def a(): > b = b #no good:) > </code>
if you really want to modify a variable that lives outside the function, you can use the "global" directive: http://effbot.org/pyfaq/how-do-you-set-a-global-variable-in-a-function.htm > So in every day programming I should avoid using the same name for > different types of objects because they will step on each other, > right? if you want to distinguish between things, giving them distinct names is always a good idea. </F> -- http://mail.python.org/mailman/listinfo/python-list
