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\chapter{Extending Python with pip}
\textbf{**SUPER IMPORTANT**}\\There are two ways to add libraries to Python: pip and conda. \textbf{These are mutually incompatible.} In this book, we use pip.  \textbf{If you followed our guide on installing Python, you MUST use pip to add libraries to Python.}

\section{Why pip?}
Online you will find lots of people using conda.  It is probably the standard for data scientists.  Since you are a chemist, you work with data, and you might wonder why we don't use conda.  There are two principal reasons:
\begin{enumerate}
    \item \textbf{pip is faster}\\
    At least to start out.  Conda comes with a \textit{very} large number of packages.  So every time you run it, it is slow.  It can take many hours to complete.  When you start out with pip, it should take less than a minute. 

    \item \textbf{There is more flexibility with pip}\\
    More packages are availible in pip, and you can also have more control over how they are installed.  Though you can get yourself in trouble more easily, we think the tradeoff is worth it. 
\end{enumerate}


\section{What is pip?}

\section{How to use pip?}
We will use three common activities in pip.
\begin{enumerate}
    \item installing libraries
    \item updating libraries
    \item uninstalling libraries\\
    When you are certain you don't need a library anymore, it can be a good idea to uninstall it.  The reason is that the more libraries you have, the slower it is to use pip, and the more likely that you run into some conflict between the library you want to install, and one you already have installed. \\
    Another reason to uninstall, is when you do have such conflicts, you can remove the offending library. 
\end{enumerate}
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