class Blah1: atttr = 5 class Blah2(Blah1): aa = atttr ob = Blah2 print(ob.aa)
Standard input is empty
Standard output is empty
Traceback (most recent call last): File "./prog.py", line 5, in <module> File "./prog.py", line 6, in Blah2 NameError: name 'atttr' is not defined