class A():
    def __init__(self, x, y):
        # do something with x and y

    def aMethod(self, param1):
        # do stuff with param1

class B(A):
    def bMethod1(self, param2):
        # do stuff with self and param2
        super(B, self).aMethod(param2)

    def bMethod2(self, myDict):
        # do stuff with myDict
        return myDict