Declaring classes in Python
Throughout this book, we will work with Python 3.4.3. However, all the explanations and code samples are compatible with Python 3.x.x. Therefore, you can work with previous Python versions as long as the major version number is 3. We will use JetBrains PyCharm Community Edition 4 as the main Python IDE and the supplier of an interactive Python console. However, you can use your favorite Python IDE or just the Python console.
Note
Everything is a class in Python, that is, all the elements that can be named in Python are classes. Guido van Rossum designed Python according to the first-class everything principle. Thus, all the types are classes, from the simplest types to the most complex ones: integers, strings, lists, ...
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