thanks. On Nov 26, 5:45 pm, Steven D'Aprano <st...@remove-this- cybersource.com.au> wrote: > On Thu, 26 Nov 2009 01:21:39 -0800, 李白，字一日 wrote: > > hi, > > i have a question on python programming. > > > let file a.py has a class named a, > > class a(): > > __G__ = "1111" > > Methods with double leading and trailing underscores are reserved for > Python's special use. You should find a different naming convention. > > > in file b.py i need to insert an attribute __C__ to class a > > > it would be as if class a defined in file a.py like this: > > class a(): > > __G__ = "1111" > > __C__ = "22222" > > > how this be done in python without inheritance? > > import a > a.a.__C__ = "22222" > > -- > Steven
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