Python – Index — PYTHON | Rayyan Coding School

Welcome to the complete Python resource centre. Rapid-fire revision first, then grind the placement tracks below.

Revision Guide

Interview-focused revision that rebuilds the whole Python picture in five sittings.

Part 1: Types, Operators & Memory Immutability, interning, is vs ==, division rules, and memory model.
Part 2: Functions, Scope & Decorators Parameters, scoping, closures, decorators, generators, and lambda.
Part 3: OOP & Magic Methods Classes, MRO, encapsulation, magic methods, and class vs instance attributes.
Part 4: Collections, Modules & Exceptions List/dict/set performance, comprehensions, packaging, and the exception model.
Part 5: Concurrency & Top Gotchas GIL, threads, async, and the interview gotcha sheet.

Output Questions - Part 1 Interning, mutable defaults, short-circuit, and division output puzzles.
Output Questions - Part 2 Scoping, generators, exceptions, and identity puzzles.

Comparison Questions - Part 1 == vs is, None checks, value comparison of built-ins.
Comparison Questions - Part 2 Dict/set equality, NaN trap, deep vs shallow comparison.

1. Data Types & Operators Numbers, strings, operators, type conversions, weird behaviour.
2. Functions & Scope Parameters, return, closures, and scoping rules.
3. OOP & Classes Classes, inheritance, special methods, and attributes.
4. Iterators & Comprehensions Iterators, generators, comprehensions, and iteration protocol.
5. Exceptions & Modules The exception hierarchy, raising, catching, and packaging.
6. Built-ins & Standard Library The core built-ins and the stdlib interview favourites.