Defining Python
Python is one of the most common programming languages among data scientists, along with R. The main advantage of Python is its flexibility and simplicity. It makes the data analysis and manipulation easy by offering a lot of packages. It shows great performance in analyzing unstructured textual data and has a very good ecosystem of tools and packages for this purpose.
For the purposes of the book, we have chosen Python 3.5.2. It is the most up-to-date version, which implements many improvements compared to Python 2.7. The main advantage in text analysis is an automatic management of Unicode variables. Python 2.7 is still widely used by programmers and data scientists due to a big choice of external libraries, documentation, ...
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