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Jupyter notebook is an interactive computing service that you can install on your computer. But did you know that you can also run it in the browser? After reading this article you know how to start the web-based JupyterLab and write your first Hello World in 5 minutes.

Jupyter Notebook in the browser Hello World

Open the Jupyter Noterbook website jupyter.org/try
Click Try Classic Notebook

Try

A notebook will be created for you. This might take a few seconds.

Start a New Notebook (File > New Notebook > Python 3)

Try

A new notebook appears with an empty cell marked In [ ]:. This is where you enter your code.

Try

Enter the following code in the empty cell:

print("Hello World!")

Press the Run button

Try

That is it! You have created your first Hello World! in Jupyter Notebook where you can try out your Python code and use the many great Python libraries available on the internet. I encourage you to start with a library called Matplotlib that allows you to draw diagrams and charts in Jupyter Notebook. To start, just search online for jupyter notebook matplotlib

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