1.
.Honza Král
@honzakral

2.
__getattribute__

3.
>>> a = B()
>>> a.x
AttributeError: No x here!

4.
>>> a = B()
>>> a.f()
TypeError: f() missing 1 required
positional argument: 'self'

5.
@property

6.
super()

7.
>>> b = B()
>>> b.f(42, other=True)
B.f(*(42,), **{'other': True}
A.f(*(42,), **{'other': True}

8.
?