Python Quick Tutorial

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Chapter 1: Environment Setup

Install Python 3.12+, venv, pip, and your first script

venv pip VS Code

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Chapter 2: Basic Syntax

Variables, type hints, control flow, comprehensions, exceptions

typing exceptions comprehensions

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Chapter 3: Functions & OOP

Functions, modules, classes, dataclasses, Protocol

*args dataclass Protocol

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Chapter 4: Database

sqlite3, parameterized queries, transactions

SQLite SQL transactions

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Chapter 5: Networking

urllib, HTTP client, minimal FastAPI service

HTTP urllib FastAPI

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Chapter 6: Files & Paths

pathlib, text & JSON, context managers

pathlib JSON with

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Chapter 7: Tooling & Libraries

pytest, ruff, black, mypy, pyproject.toml

pytest ruff mypy

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