Python was a language designed to be simple and help scientists to improve the way they prepare and analyse data in their projects. Over the last two decades, it went through a bumpy ride and evolved into a very powerful language being used by so many people; from programming enthusiasts treating it as a hobby to very big enterprise companies all around the world.

This book offers a practical journey through Python programming, starting with core concepts like scripting, object-oriented programming, and functional programming. You will then set up an efficient development environment and build increasingly complex projects. Create interactive applications like chatbots and voice-controlled systems, and delve into data-driven projects, including financial analysis, web scraping, and cryptocurrency trading. Explore security by building a virus detection system and a web gateway. Finally, extend your skills to mobile app development and image processing with QR code manipulation. Through hands-on projects, you will gain a versatile skillset applicable to various real-world domains.

By the end of this book, you will have the skills to tackle a variety of real-world projects, you will also develop practical skills that extend beyond theoretical knowledge, enabling you to confidently apply your newfound expertise to solve complex problems and create innovative solutions in a creative way.

WHAT YOU WILL LEARN
● Get started with the fundamentals of Python programming and set up your coding environment.
● Build chatbots, scrape websites for data, and create a YouTube downloader.
● Understand security and finance by learning to analyze expenses, and even make your own virus scanner.
● Develop voice-controlled apps, secure websites, and build mobile apps.
● Create programs to centralize calendars, monitor websites, and automate online shopping.
● Generate QR codes and analyze trends in digital currencies.

WHO THIS BOOK IS FOR
This book will target both beginners and advanced learners, aiming to teach how to use Python for modern programs. It has a structure that balances foundational concepts with advanced techniques and real-world applications. This book would be perfect for anyone looking to master Python and use it for building modern applications across a variety of domains.

1. Python 101
2. Setting up Python Environment 102
3. Designing a Conversational Chatbot
4. Developing App to Analyze Financial Expenses
5. Building Non-blocking Web Crawler
6. Create Your Own Virus Detection System
7. Create Your Own Crypto Trading Platform
8. Construct Your Own High-tech Loudspeaker
9. Make a Music and Video Downloader
10. Make A Program to Safeguard Websites
11. Centralizing All Calendars
12. Developing a Method for Monitoring Websites
13. Making a Low-cost, Fully-automated Shopping App
14. Python Goes Mobile
15. QR Generator and Reader
16. App to Keep Track of Digital Currencies

Hubert Piotrowski, M.Sc. Computer Science, is a seasoned technologist and speaker with over 20 years of experience in software and hardware domains. His areas of expertise range from software development and automation to data lakes, embedded devices, large-scale web services, cloud technologies, and systems architecture. He has shared his insights at PyCon Singapore, PyCon Poland, and through various webinars.