ControlFlow

Learn how to create Python custom exceptions, from basic definitions to adding attributes, using common parent classes, and re-raising exceptions. Practical exa...

Learn Python exception handling from basics to advanced techniques. Understand common errors like ZeroDivisionError and ValueError, learn how to use try/except,...

Learn Python scope thoroughly. Understand global and local variables, the LEGB rule, and practical examples for writing clean and safe Python code....

Learn Python function arguments step by step — from basic parameters to default values, *args, **kwargs, and argument unpacking. A complete guide for mastering ...

Learn the basics of Python functions and how the return statement works. Understand the difference between functions with and without return values, and how to ...

A technical guide to nested loops in Python (for / while). Learn double-loop fundamentals, how break/continue behave, variable scope implications, and best prac...

Learn how to use Python while loops effectively—from basic syntax and control flow to infinite loop handling, break/else usage, and real-world input examples. A...

A comprehensive guide to useful functions for Python for-loops, including enumerate, sorted, zip, and itertools. Learn how to write efficient and readable loop ...

Learn how to use Python’s for loop control statements: break, continue, and else. This guide explains how each works with real examples—stop loops early, skip s...

A complete guide to Python’s range() function. Learn how to use range(n), range(n, m), and range(n, m, step) effectively in for loops with practical examples....