The Logic Decode blog

Python

Hands-on Python from first principles to real projects.

Make decisions in Python with if/elif/else, understand indentation as scope, nest conditions, and meet the modern match/case statement.

Build conditions with Python's comparison and logical operators — ==, !=, <, >, and/or/not — plus short-circuiting and real examples.

Use Python dictionaries to store and look up key-value data — creating, accessing, updating, nesting, and iterating over them.

Store collections in Python — mutable lists, immutable tuples, and unique-value sets — with indexing, methods, and a comprehension teaser.

Create, slice, and format text in Python — quotes, indexing, the string methods you'll actually use, and clean f-string formatting.

Integers, floats, booleans, and arithmetic in Python — what a data type is, when to use each, and how type() tells them apart.

Write your first real Python program: print output, store data in variables, read user input, and convert between types — with runnable examples.

Step-by-step Python 3 setup for Windows, macOS, and Linux — check your version, add Python to PATH, get pip, and pick an editor.

What programming really is, why Python is the best first language, and the apps, games, and AI you can build with it once you start.