Fundamentals

Learn Python functions with def, parameters, return values, defaults, keyword arguments, scope, type hints, docstrings, flexible arguments, testing, and practical

Learn Python input() with text, numbers, validation loops, conversions, menus, passwords, multiple values, error handling, and practical beginner projects.

Learn Python print() from basic text and variables to separators, line endings, f-strings, alignment, files, debugging, logging, and common mistakes.

Learn what an algorithm is in programming with everyday examples, pseudocode, flowcharts, Python implementations, efficiency, testing, and practice tips.

Learn Python range() with start, stop, step, negative values, loops, indexing patterns, performance, common mistakes, and practical beginner examples.

Learn Python operators with arithmetic, comparison, assignment, logical, membership, identity, bitwise, set, and conditional examples, plus precedence and common mistakes.

Learn what Python None means, how to compare it correctly, use optional returns and defaults, distinguish missing values, work with

Learn Python sets from scratch: unique values, membership, add and remove methods, union, intersection, differences, subsets, comprehensions, frozenset, and practical