If-else, for loops, while loops, and controlling program flow
Master Python if-else statements, elif chains, nested conditions, and ternary expressions. Learn decision-making in Python with real-world examples and interactive exercises.
Master Python for loops with range(), enumerate(), zip(), and more. Learn to iterate over lists, strings, and dictionaries with interactive examples and exercises.
Learn Python while loops for condition-based repetition. Covers while syntax, counting loops, infinite loops, break, input validation, and when to use while vs for.
Master Python break, continue, and pass statements. Learn to exit loops early, skip iterations, use placeholders, and understand the for-else pattern with examples.
Master Python nested loops for working with grids, combinations, and multi-dimensional data. Learn patterns, understand O(n²) performance, and know when to avoid them.
Learn to read Python tracebacks and fix common errors: SyntaxError, NameError, TypeError, IndexError, ValueError, and more. Stop fearing error messages and start using them.