CadetX
CadetX
CX Learn
Python
Python Interactive course

Learn Python Online Free: Interactive Course for Beginners with Certificate

Learn Python by writing real code, not just watching videos. This free, self-paced Python course takes you from your first line of code to object-oriented programming, data structures, file handling and algorithms, with 12 autograded modules that run entirely in your browser. There's nothing to install, you get instant feedback on every exercise, and you earn a free, verifiable certificate when you pass the exam.

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CadetX Learning
This is presented toCadetX StudentFor completing Python Programming course
Batch: CX-PY_01Date: 13 Oct 2026
Certificate Included

Course Modules

Module 1

Getting Started

Introduction to Python syntax, basic output, comments, and structure.

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Module 2

Variables & Data Types

Learn variables, numbers, strings, booleans, and type conversion.

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Module 3

Operators

Master arithmetic, comparison, logical, membership, and bitwise operators.

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Module 4

Control Flow

Explore conditional statements, loops (for and while), and loop control.

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Module 5

Functions

Learn to define functions, pass arguments, return values, and write lambdas.

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Module 6

Data Structures

Work with core collections: Lists, Tuples, Dictionaries, and Sets.

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Module 7

Object-Oriented Programming

Understand classes, objects, standard methods, and dunder methods.

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Module 8

Inheritance & OOP

Master advanced OOP: inheritance, overriding, encapsulation, and polymorphism.

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Module 9

Files & Exceptions

Learn reading/writing files, handling errors with try-except, and context managers.

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Module 10

Modules & Standard Library

Import packages, use the standard library, write modules, and use pip.

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Module 11

Advanced Python

Understand comprehensions, iterators, generators, decorators, and type hints.

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Module 12

Projects

Build full projects including a guessing game, to-do list, and data summariser.

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CX Learn Certification Exam

Earn all 12 module stars to unlock the final 30-question certification exam. Pass the exam to receive your official verified CadetX Python Developer Certificate.

Requires 12 more stars