Still working on projects from pynative.com Progress so far (15 & 16) TODO .15 Add Maintenance Fee in Child Class via super () class Vehicle: def __init__ ( self , base_fare): self .base = base_fare class Taxi(Vehicle): def __init__ ( self , base_fare, input ): super (). __init__ (base_fare) self .maintenance = base_fare + ( 0.1 * base_fare) print ( f"Total fare with maintenance fee: { self .maintenance } " ) taxi = Taxi( 500 ) taxi.base TODO .16 Polymorphism with Dog & Cat speak() class Animal: def __init__ ( self , name, sound): self .name = name self .sound = sound def speak ( self ): print ( f" { self .name } says: { self .sound } !" ) class Dog(Animal): # def __init__(self, name, sound): # super().__init__(name, sound) # self.sound = "Woof" pass class Cat(Animal): # def __init__(self, name, sound): # super().__init__(name, sound) #...