Python Programming from First Principles: Learn to Code, Think Computationally, and Solve Real-World Problems
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Why Python

With that approach to learning in place, the choice of language becomes practical: it should make a solution readable while supporting the kinds of problems we want to explore.

On this pageWhat is Python?Why Python for Data Science and Dynamic Humanities?Before you start

What is Python?

Python is a general-purpose programming language with a readable syntax and a broad collection of libraries. You can use it to process text, work with numerical data and build applications. This book develops the foundations through small examples before combining them into practical projects.

Why Python for Data Science and Dynamic Humanities?

You may wonder: why should a historian, a medical researcher, or a cultural event manager bother with programming? The answer is that today, many human challenges produce data—lots of it. Medical studies generate patient data. Historical archives are being digitized at scale. Events are tracked in real time with sensors. Games and virtual environments log user behavior. Environmental projects monitor ships, ports, and carbon emissions.

To make sense of this flood of information, we need computational tools. Python is a useful tool for these tasks because it is readable, flexible and freely available. It runs on Windows, macOS, and Linux without special hardware. Sharing a program also means documenting its Python version, required packages and input files so others can reproduce its environment.

Equally important, Python connects science with practice. A historian can use it to analyze texts; a medical researcher can model data from trials; a logistics expert can simulate green shipping routes; and a game designer can create prototypes that respond to human interaction. Python provides a common language across all these fields.

Finally, Python is supported by a large international community. There are conferences such as PyCon and PyData, and specialized scientific gatherings such as EuroSciPy. There are mailing lists and forums for almost every topic: text analysis, statistics, machine learning, and more. This means that even as a beginner, you are never alone.

With a clear sense of why Python matters, the next step is to get it running on your computer. The following chapter will guide you through the installation process so you can begin writing and executing your first programs.

Before you start