Python Basics Exercises: Building Systems With Classes – Certificate of Completion

Python Basics: Building Systems With Classes

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Certificate of Achievement

Python Basics: Building Systems With Classes

This is to certify that

Md Munimul Islam

has successfully completed

Python Basics Exercises: Building Systems With Classes

a course of study offered by Real Python (realpython.com), an online learning platform and expert community for Python software developers.

Completion Date: Sept. 17, 2026

Verification ID: 155d2609-dd05-421a-81e2-f67598d16193

Course Description

Skill level: basics

In this Python Basics Exercises course, you'll review how to work with classes to build complex systems in Python. By practicing composing classes, inheriting from other classes, and overriding class behavior, you'll harness the power of object-oriented programming (OOP).

Review Exercises

1. Python Basics Exercises: Building Systems With Classes (Overview)

2. Review the Dog Class

3. Create a Child Class (Exercise)

4. Exercise: Create a GoldenRetriever Child Class

5. Create a Child Class (Solution)

6. Extend a Method (Exercise)

7. Exercise: Extend the .speak() Method

8. Extend a Method (Solution)

9. Recap the Review Exercises

Challenge: Model a Farm

1. Model a Farm Using OOP

2. Draw Your Idea

3. Create Parent and Child Classes

4. Explore Class Attribute Quirks

5. Build a Representation

6. Use a Dunder Class Reference

7. Plan Instance Methods

8. Let the Animals Talk

Implement Animal Feeding

1. Keep Track of Food With Non-Public Attribute

2. Check Whether Animal Is Hungry

3. Convert Method to an Attribute

4. Empty the Animal Bellies

Implement Locations

1. Revisit Your Drawing

2. Create Location Classes

3. Model Location as Instance Attribute

4. Create a .__str__()

5. Note Whether a Location Is Full

6. Adapt Your Plan

7. Add a Non-Public Attribute

Refine Movement

1. Refine Plan for Move Method

2. Avoid Duplicate Animals

3. Prevent Overpopulation

4. Test Move Method

5. Discover an Issue Referencing Location Objects

6. Add Public Location Property

7. Extend Child Class With Extra Method

8. Throw the Dog a Ball

9. Explore Additional Ideas

Identify and Fix Bug

1. Identify the Bug

2. Make Testing Easier

4. Python Basics Exercises: Building Systems With Classes (Summary)

View Course Details »

Certificate of Completion

This person’s account is verified and was created on Feb. 28, 2026. Real Python certifies their completion of the Python Basics Exercises: Building Systems With Classes course on Sept. 17, 2026.

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