Parallel and Concurrent Programming in Python: A Practical Guide

Описание: Learn how to supercharge your Python applications with concurrency and parallelism. Whether you’re in backend development, finance, or embedded systems, mastering threading and multiprocessing will make your software more efficient and responsive. In this comprehensive tutorial, we cover real-world examples using Python’s threading and multiprocessing libraries, demonstrate performance improvements, and explain the impact of the Global Interpreter Lock (GIL). Plus, discover how to safely share data between threads using locks (mutexes) and solve bottlenecks with background tasks. Perfect for Python developers of all levels!

👉 What You’ll Learn:

Difference between concurrency and parallelism

Python threading for concurrent execution

Python multiprocessing for true parallelism

How to overcome the GIL limitation

Safe data sharing using mutexes

Solving API blocking with background tasks

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📌 Timestamps:

00:00 - Introduction to concurrency and parallelism
00:36 - Building a sequential HTTP request program
02:00 - Measuring execution time of sequential code
03:15 - Introduction to threading for concurrency
05:01 - Comparing results: sequential vs threading
06:52 - Understanding the magic of threading & the GIL
07:30 - Introduction to multiprocessing for true parallelism
08:50 - Code setup for multiprocessing
09:45 - Using mutexes (locks) to prevent data collisions
11:00 - Printing results safely from multiple threads
12:19 - Simulating background tasks in Python
13:50 - How blocking code affects API performance
14:07 - Solving blocking issues with threading
15:10 - Successfully running background tasks and API routes

🔧 Tools & Libraries Used:

Python threading

Python multiprocessing

Mutex / lock for safe thread data access

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