[python][Example] python get parent class function

class A:

    def getA(self):

        return 1

class B:

    a = A()

    def getB(self):

        return 2 * self.a.getA()

class C(B):

    def getC(self):

        return self.a.getA()

c = C()

print(c.getC())

Reference 

https://www.geeksforgeeks.org/python-call-parent-class-method/