# Requirements In Python, and as a consequence Jupyter Books, a requirements.txt file is a type of file that usually stores information about all the libraries, modules, and packages in itself that are used while developing a particular project. At this point, the `requirements.txt` consists of the following packages: ```text numpy scipy matplotlib plotly myst_nb jupyterquiz sphinx-exercise sphinx-proof jupyter-book ``` To install the required packages for your book, you can simply run: ```bash pip install -r requirements.txt ``` ## More Information Find more information on how to set up your working environment: - [](build:create-env)