Correct Attribute Assignment Methodology?

[Tim Cook]

Say I have these classes:

class Parent(object):
  """Parent is abstract"""
  a=None
  def showA():
   return self.a

class Child(Parent):
  """inherits a and showA from Parent"""

  def __init__(self,a,b):
    self.a=a   
    self.b=b

  def showAB():
   return self.a,self.b


class GrandChild(Child):
  """inherits all of the above"""

  def __init__(self,a,b,c):
   self.a=a
   self.b=b  
   """should this be Child.__init__(a,b)? or Child.__init__(b)?""  
   """if so; why? if not why not?"""
   self.c=c

Thanks for answering these very basic questions but I am not certain
about the correct way.  I know that in Python, assignment in the
GrandChild class will work but is that correct?

--Tim

 

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