A crash course on Python

If you don't know Python, read this section to learn the fundamentals. Python is a very accessible language and, if you have ever programmed, it will only take you a few minutes to learn the basics.

Hello world

Open a new notebook and type the following in the first cell:

In [1]: print("Hello world!")
Out[1]: Hello world!

Here is a screenshot:

Hello world

"Hello world" in the Notebook

Tip

Prompt string

Note that the convention chosen in this book is to show Python code (also called the input) prefixed with In [x]: (which shouldn't be typed). This is the standard IPython prompt. Here, you should just type print("Hello world!") and then press ...

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