answer.py

import math

class Shape3d:
    def __init__(self, name):
        self.name = name

    def surfaceArea(self):
        pass
        
    def volume(self):
        pass
    
    def getName(self):
        return self.name
        
class Cuboid(Shape3d):
    def __init__(self, name, length, breadth,height):
        super().__init__(name)
        self.length = length
        self.breadth = breadth
        self.height = height
        
    def surfaceArea(self):
        return 2*(self.length*self.breadth + self.breadth*self.height + self.length*self.height)
    
    def volume(self):
        return self.length*self.breadth*self.height

class Cube(Cuboid):
    def __init__(self, name, side):
        super().__init__(name,side,side,side)
        
class Sphere(Shape3d):
    def __init__(self, name, radius):
        super().__init__(name)
        self.radius = radius

    def surfaceArea(self):
        return 4*pi*self.radius**2
    
    def volume(self):
        return 4/3*pi*self.radius**3