Python class variables or class variables in general

Question

From Dive into Python:

Class attributes are available both through direct reference to the class and through any instance of the class.

Clas

Answer 1

Before:

c.counter = 0
v.counter -> c.counter

During:

c.counter = 0
v.counter = c.counter + 1

After:

c.counter = 0
v.counter = 1