On Fri, 06 Jun 2003 11:28:54 -0400, Hoang Do wrote: I think it works :-) replace print %s with print '%s' the global name 'a' it's looking for is the a in 'print a' Cheers! > I am having trouble invoking the created method. The function addition > goes fine but invoking it gives an error. Here is some simple code: