Python’s elegant syntax and extensive standard library have made it a popular choice for both beginners and experienced programmers. In this chapter, we’ll embark on a comprehensive exploration of Python’s underpinnings.

We’ll begin by examining the Python interpreter and its role in executing code. Subsequently, we’ll delve into the language’s core features, such as data structures, control flow, and object-oriented programming.

To write high-performance Python code, we’ll discuss optimization techniques, profiling tools, and memory management. Finally, we’ll explore the importance of code quality and introduce you to tools for measuring and improving your code.