A.lambda x, y: x ** y

B.lambda (x, y) = x ** y

C.lambda (x, y): x ** y

D.def lambda (x, y): return x ** y

A.len(ClassB.__bases__) == 1

B._name == _main_'

C.str(Object) == 'Object'

D.ClassA. _module_ == 'ClassA'

A.a is not None

B.b( ) > 2

C.a() > 2

D.a is b

A.3

B.4

C.5

D.an exception is raised

A.obj_b.prop_a == 3

B.hasattr(obj_b, 'prop_aa')

C.B.VarA == 3

D.isinstance(obj_c,A)