To get the most out of this book

Before embarking on this book, it is important for you to have a fundamental understanding of Python programming and API concepts. Additionally, familiarity with the basics of frontend and backend technologies used in application development is highly recommended. This prerequisite knowledge will enhance your comprehension and enable you to fully grasp the concepts and examples presented throughout the book.

Software/hardware covered in the book	Operating system requirements
Python	Windows, macOS, or Linux
Django	Windows, macOS, or Linux
Flask	Windows, macOS, or Linux
PyQt	Windows, macOS, or Linux
OpenAI library	Windows, macOS, or Linux
Stripe	Windows, macOS, or Linux

Rest assured, this book provides comprehensive coverage of all the necessary installations, including Python and the VS Code IDE. You will find step-by-step instructions and detailed explanations within the book to guide you through the installation process. By following the instructions provided, you will be able to set up your Python environment and VS Code IDE with ease, ensuring a smooth journey through the book’s content.

If you are using the digital version of this book, we advise you to type the code yourself or access the code from the book’s GitHub repository (a link is available in the next section). Doing so will help you avoid any potential errors related to the copying and pasting of code.

I highly encourage you to actively engage with the applications being built in this book by experimenting with variable changes and observing the resulting impact on the app. This hands-on approach will provide a deeper understanding of how different variables affect the application’s behavior. Furthermore, I urge you to leverage the knowledge gained from the book to embark on your own application-building journey. By using the applications from the book as a foundation, you can apply your newfound skills and creativity to develop your own unique applications, fostering a deeper mastery of the concepts covered.