Practical Python: From Fundamentals to OOP — PickAClass
★ 3.6 (5) ⏱ 3h 📚 30 lessons

Practical Python: From Fundamentals to OOP

Master core programming concepts and object-oriented principles to build your first command-line applications.

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About this course

Ready to learn programming with Python, one of the most versatile and in-demand languages? This course provides a clear, text-based path from your very first line of code to building structured, object-oriented applications. You will move beyond basic scripts to understand and apply the principles of Object-Oriented Programming (OOP). By the end, you'll have the confidence to structure your code using classes and objects, manage project dependencies, and write clean, readable Python for your own projects. What you'll learn: - Learn the fundamental syntax of Python, including variables, data types, loops, and conditional logic. - Master functions, modules, and file handling to organize and reuse your code effectively. - Understand the core principles of Object-Oriented Programming: encapsulation, inheritance, and polymorphism. - Build classes and objects to model real-world concepts and create more complex applications. - Practice modern development habits, including using virtual environments and writing basic tests for your code. - Apply your skills by completing text-based projects, such as building simple interactive games from written specifications. The course starts with the absolute basics of Python syntax and programming logic, then progressively introduces more advanced concepts, culminating in a thorough exploration of object-oriented design through practical exercises. This course is designed for absolute beginners with no prior programming experience. All you need is a desire to learn how to code. Begin your journey into Python programming today.

Course contents

6 modules · 30 lessons · 3h

1 Python Basics: The Building Blocks
Master the core syntax and logic flow of Python.
6 lessons · 36 min
  1. Variables and Your First Script
    Learn how to store data in variables and run a Python script.
    6 min
  2. Data Types: Strings and Numbers
    Understand how Python handles text and numeric data.
    6 min
  3. Making Decisions with If/Else
    Use conditional logic to control the flow of your program.
    6 min
  4. Repeating Actions with While Loops
    Use while loops to run code as long as a condition is met.
    6 min
  5. Iterating with For Loops
    Use for loops to iterate over sequences of data.
    6 min
  6. Storing Groups of Data in Lists
    Learn to use lists to manage collections of items.
    6 min
2 Functions and Project Setup
Organize code into reusable blocks and manage the development environment.
5 lessons · 30 min
  1. Defining Your Own Functions
    Create reusable blocks of code using the def keyword.
    6 min
  2. Parameters and Return Values
    Pass data into functions and get results back.
    6 min
  3. Understanding Scope
    Learn the difference between local and global variables.
    6 min
  4. Using Modules and Imports
    Organize code across multiple files and use the Python Standard Library.
    6 min
  5. Virtual Environments and Pip
    Isolate project dependencies using venv and install packages with pip.
    6 min
3 Working with Data and Files
Learn to handle complex data and persistent storage.
5 lessons · 32 min
  1. Dictionaries for Key-Value Data
    Use dictionaries to model real-world data structures.
    6 min
  2. Reading Data from Files
    Open and read text files using Python's built-in tools.
    6 min
  3. Writing and Appending to Files
    Save program data permanently to the disk.
    6 min
  4. Handling Errors Gracefully
    Use try/except blocks to prevent your program from crashing.
    6 min
  5. Mini-Project: Text Adventure Logic
    Build the functional logic for a simple choice-based game.
    8 min
4 Object-Oriented Programming (OOP)
Shift from procedural to object-oriented thinking.
6 lessons · 36 min
  1. Thinking in Classes
    Understand classes as blueprints for creating objects.
    6 min
  2. Instance Methods and Behavior
    Define what an object can do using methods.
    6 min
  3. The Constructor: __init__
    Initialize object attributes when they are created.
    6 min
  4. Encapsulation: Protecting Data
    Use private attributes to hide internal object state.
    6 min
  5. Inheritance: Reusing Code
    Create specialized classes that inherit from parent classes.
    6 min
  6. Polymorphism: Flexible Interfaces
    Allow different classes to be treated as the same type through method overriding.
    6 min
5 Professional Habits and Refactoring
Write clean, tested, and maintainable code.
5 lessons · 32 min
  1. Object Composition
    Build complex objects by combining simpler ones.
    6 min
  2. The Power of Assertions
    Use the assert keyword to verify code assumptions.
    6 min
  3. Intro to Basic Testing
    Write simple test cases to ensure your functions work as expected.
    6 min
  4. Clean Code and PEP 8
    Follow Python's style guide for readable and professional code.
    6 min
  5. Refactoring: From Scripts to Classes
    Convert the previous text adventure logic into an OOP structure.
    8 min
6 Final Project: The Hero's Journey
Apply all learned concepts into a final interactive application.
3 lessons · 14 min
  1. Designing the Game Architecture
    Plan the classes and relationships for the final project.
    5 min
  2. Implementing Game State
    Manage inventory and progress using OOP and file handling.
    5 min
  3. Final Polish and Deployment
    Add finishing touches and verify the game runs in a clean venv.
    4 min
Final project

The OOP Quest Engine

Develop a text-based RPG engine where players can explore rooms, collect items, and interact with characters. The engine must use classes to represent the Player, Items, and Rooms.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • ⚡ Short & focused
    3h of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Practical Python: From Fundamentals to OOP
Skills demonstrated
✓
Behavioral pattern analysis
Foundational
1.2 hrs
✓
Decision-architecture frameworks
Proficient
1.4 hrs
✓
A/B test design
Proficient
1.7 hrs
✓
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
Practical Python: From Fundamentals to OOP
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (5)

سالم بن أحمد بن راشد آل ثاني QA Verified learner
★ 3 · October 29, 2026

It's a decent introduction. Could benefit from more diverse examples and a slightly better flow between modules.

José Antonio García CO Verified learner
★ 3 · September 7, 2026

Tbh, I expected more practical application. It felt a bit too theoretical for my needs, though the core concepts were explained okay.

Girma Melese ET Verified learner
★ 5 · July 31, 2026

This was exactly what I was looking for. The explanations were so clear and the examples really helped solidify the concepts.

Carlos Iván Navarro MX
★ 4 · June 14, 2026

This was a good introduction. The structure is logical, and it covers the basics effectively. Might be too introductory for advanced learners.

Arnav Patel SG Verified learner
★ 3 · June 14, 2026

Found it useful for a refresher. Not sure it would be the best starting point for a complete beginner, tbh.

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