INTERACTIVE PYTHON / FOUNDATIONS
Learn the basics.
Make them click.
Five lessons. Small experiments. Quick checks along the way. Start from the beginning or choose a concept to explore.
Introduction to Python
Discover what Python does and follow a small program from instructions to output.
Hello World Program
Write your first print statement, edit its message, and connect code to output.
Variables
Watch assignment and reassignment change a variable as a program runs.
Data Types
Inspect Python values and understand how their types change what operations mean.
Basic Operators
Explore arithmetic and comparisons, including Python division, remainders, and zero-division errors.
Your pace. Your path.
Change inputs, predict what happens, and use Back whenever you need another look. Quizzes explain the answer and let you retry. You can move between lessons at any time.
Progress is saved in this browser when storage is available. No account needed.