Random832 <random...@fastmail.com> writes: > On Wed, Dec 18, 2019, at 23:10, vahid asadi via Python-list wrote: >> HI guys this is my first post on python mailing lists ever and i glad >> to do this. >> my problem here is why this attribute is not recognize by python and it >> raise an traceback error that said 'there is no such p.family >> attribute'. although i use multiple inheritance with 'super ' it not >> works. thanks for your help. >> >> ``` class Username: def __init__(self,name,*args): self.name >> = name >> class Userfamily: def __init__(self,family,*args): >> self.family = family >> class Person(Username,Userfamily): def __init__(self,*args): >> super().__init__(*args) >> >> >> p = Person("v","aaa")print(p.name)print(p.family)```
Please next time, supply a properly indented Python source, with only normal ASCII spaces, not no-break spaces, i.e. exactly like in your Python source code. > > The Username class also needs to call super(). In general, super() is > intended to be used with all classes that might be part of a multiple > inheritance hierarchy, not just the derived one. Just for safety, also add it to the Userfamily class. -- Pieter van Oostrum www: http://pieter.vanoostrum.org/ PGP key: [8DAE142BE17999C4] -- https://mail.python.org/mailman/listinfo/python-list