Module(body=[ClassDef(name='A',
                      bases=[],
                      body=[FunctionDef(name='__init__',
                                        args=arguments(args=[Name(id='self',
                                                                  ctx=Param())],
                                                       vararg=None,
                                                       kwarg=None,
                                                       defaults=[]),
                                        body=[Print(dest=None,
                                                    values=[Str(s='at0')],
                                                    nl=True),
                                              Assign(targets=[Attribute(value=Name(id='self',
                                                                                   ctx=Load()),
                                                                        attr='a',
                                                                        ctx=Store())],
                                                     value=Str(s='O')),
                                              Assign(targets=[Attribute(value=Name(id='self',
                                                                                   ctx=Load()),
                                                                        attr='b',
                                                                        ctx=Store())],
                                                     value=Str(s='x'))],
                                        decorator_list=[]),
                            FunctionDef(name='test',
                                        args=arguments(args=[Name(id='self',
                                                                  ctx=Param())],
                                                       vararg=None,
                                                       kwarg=None,
                                                       defaults=[]),
                                        body=[Print(dest=None,
                                                    values=[Str(s='KO')],
                                                    nl=True)],
                                        decorator_list=[])],
                      decorator_list=[]),
             ClassDef(name='B',
                      bases=[Name(id='A',
                                  ctx=Load())],
                      body=[FunctionDef(name='__init__',
                                        args=arguments(args=[Name(id='self',
                                                                  ctx=Param())],
                                                       vararg=None,
                                                       kwarg=None,
                                                       defaults=[]),
                                        body=[Print(dest=None,
                                                    values=[Str(s='at1')],
                                                    nl=True),
                                              Expr(value=Call(func=Attribute(value=Name(id='A',
                                                                                        ctx=Load()),
                                                                             attr='__init__',
                                                                             ctx=Load()),
                                                              args=[Name(id='self',
                                                                         ctx=Load())],
                                                              keywords=[],
                                                              starargs=None,
                                                              kwargs=None)),
                                              Assign(targets=[Attribute(value=Name(id='self',
                                                                                   ctx=Load()),
                                                                        attr='b',
                                                                        ctx=Store())],
                                                     value=Str(s='K'))],
                                        decorator_list=[]),
                            FunctionDef(name='test',
                                        args=arguments(args=[Name(id='self',
                                                                  ctx=Param())],
                                                       vararg=None,
                                                       kwarg=None,
                                                       defaults=[]),
                                        body=[Print(dest=None,
                                                    values=[BinOp(left=Attribute(value=Name(id='self',
                                                                                            ctx=Load()),
                                                                                 attr='a',
                                                                                 ctx=Load()),
                                                                  op=Add(),
                                                                  right=Attribute(value=Name(id='self',
                                                                                             ctx=Load()),
                                                                                  attr='b',
                                                                                  ctx=Load()))],
                                                    nl=True)],
                                        decorator_list=[])],
                      decorator_list=[]),
             Print(dest=None,
                   values=[Str(s='at2')],
                   nl=True),
             Expr(value=Call(func=Attribute(value=Call(func=Name(id='B',
                                                                 ctx=Load()),
                                                       args=[],
                                                       keywords=[],
                                                       starargs=None,
                                                       kwargs=None),
                                            attr='test',
                                            ctx=Load()),
                             args=[],
                             keywords=[],
                             starargs=None,
                             kwargs=None)),
             Print(dest=None,
                   values=[Str(s='at3')],
                   nl=True)])