Computer Science · CBSE Class 11–12 CS · BCA · BTech · MCA · AP CS Principles

Python Programming

Learn Python from zero with short lessons and a built-in code playground: variables, operators, if-else, loops and functions. For Class 11–12 Computer Science (CBSE), BCA, BTech and MCA beginners.

1. Chapter 1

   Getting Started

   What Python is, your first program, variables and operators.

   • What is Python? Your first programA language that reads almost like English — and you can run it right on this page.6 min
   • Variables and data typesNames that hold values — numbers, text and True/False.8 min
   • OperatorsMaths, comparisons and logic — including the three operators beginners mix up.7 min

2. Chapter 2

   Control Flow

   Making decisions with if-else and repeating work with loops.

   • Decisions with if, elif and elseRun different code depending on a condition.8 min
   • Loops: for and whileRepeat work without copy-pasting code.10 min

3. Chapter 3

   Functions

   Package code into reusable, named pieces.

   • Writing your own functionsdef, parameters, return values and default arguments.10 min