Comprehensive Beginner’s Guide to Jupyter Notebooks for Data Science & Machine Learning - regarding

Need inputs in the following command. You may find the original article in the link.
https://www.analyticsvidhya.com/blog/2018/05/starters-guide-jupyter-notebook/?utm_source=blog&utm_medium=learn-visualize-geospatial-data-jupyter-kepler

While doing the following execution, it shows an error message as shown below.
jupyter contrib nbextension install --user

Error message:
File “”, line 3
jupyter contrib nbextension install --user
^
SyntaxError: invalid syntax

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