Python
23 articles in this topic
Python Loop Patterns and Idioms: A Practical Tutorial
Move beyond manual counters and fragile flags. Learn the Python loop idioms that make iteration, filtering, aggregation, pairing, and search easier to read.
Functions in Python: Parameters, Return Values, Scope and Examples
Build, call and debug Python functions through traced examples. Learn how arguments, local scope and return values work, then test yourself with short exercises.
Python Variables and Data Types: Beginner Tutorial with Worked Examples
Learn how Python names bind to objects, how built-in types behave, and why conversion and mutation matter. Trace a complete learner record and test yourself with runnable examples.
Strings in Python: Indexing, Slicing, Methods and Worked Examples
Build a reliable mental model for Python strings, then practise it through exact outputs, common traps and a complete record-cleaning program.
Python Setup for Beginners: Install and Run Your First Program
Build a clean Python project from scratch, verify the interpreter, run a complete program and diagnose the setup mistakes that catch most beginners.
Conditionals in Python: If, Elif and Else with Worked Examples
Learn how Python chooses a branch, then trace exact examples covering Boolean operators, truthiness, nesting, short-circuiting and common mistakes.
Python String Methods: A Practical Tutorial With Worked Examples
Stop memorising isolated methods. Trace Python strings through indexing, cleanup, searching, splitting, validation and formatting, with exact results and the traps coding tests use.
Sets in Python: A Complete Tutorial with Worked Examples
Learn how Python sets store unique values, how each core operation works, and how to avoid the errors that catch beginners, with every output worked through.
Numbers and Arithmetic in Python: Operators, Precision, and Worked Examples
Understand how Python evaluates numeric expressions, from result types and precedence to negative floor division and floating-point comparison. Runnable examples culminate in one complete practice-session calculation.
Python Introduction and Setup Tutorial: Install, Verify, and Run Your First Programs
Set up Python with confidence by checking the command, isolating a project in .venv, and running a saved program whose output you can verify step by step.
Python Functions and Modules: Complete Guide with Worked Examples
Build a reliable mental model for Python functions, scope, imports, and packages, then trace a two-module score report from call to printed result.
Python Tuples Tutorial: Packing, Unpacking, Methods and Examples
Learn how Python tuples work through runnable examples, a fixed-record route program, precise error fixes and four predict-before-running exercises.