From the course: Programming Foundations: Object-Oriented Design
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Inheritance - Python Tutorial
From the course: Programming Foundations: Object-Oriented Design
Inheritance
When I need to create a new class it may not always be necessary to build it from scratch. If my program has an existing class that's similar to what I need, then I can use inheritance to base my new class on that existing one. Inheritance enables a new class to receive or inherit the attributes and methods of existing classes using the same implementation which is a great form of code reuse. Let's say for example I want to model the characters present in a bakery. I might start by defining a class for customers, which has attributes for the customer's name, phone number, email address, and a customer ID number. Additionally I give that customer class a method to update their contact information, and a method to purchase items. The bakery also has employees so I create an employee class with attributes for the employee's name, phone number, email address, and employee ID number. The employee can update their contact information, get promoted, or retire. Now, looking at these two…
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