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Python 3: From Beginner to Advanced

Solution Review: Overriding Inherited Method

Explore how to override inherited methods in Python by customizing the __init__ constructor in a subclass and using super() to access parent class properties. Understand how to manage additional attributes and modify methods for subclass-specific behavior.

We'll cover the following...

Solution

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Python 3.5
class Person(object):
  def __init__(self, name, age):
    self.name = name
    self.age = age
  def greet(self):
    print("Hello")
class Customer(Person):
  def __init__(self, name, age, no_of_purchases):
    super().__init__(name, age)
    self.no_of_purchases = no_of_purchases
  def greet(self):
    print(self.name + ",", self.age, "years old, purchased", self.no_of_purchases, "items")
# name = Josh, age = 25, no_of_purchases = 10
c = Customer("Josh", 25, 10)
c.greet()

Explanation

Since we need ...