deletions | additions       diff --git a/section_Code_Listings_We_will__.tex b/section_Code_Listings_We_will__.tex  index 2cea40d..a4a285f 100644  --- a/section_Code_Listings_We_will__.tex  +++ b/section_Code_Listings_We_will__.tex 
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We will be illustrating all of our examples with code listings in this tutorial, so it makes sense to first show how to use them.  An example setup that you should add to your Header file is:  \begin{lstlisting}[caption={Setting up the listings environment}] \begin{lstlisting}  \usepackage{listings}  \lstset{ %  backgroundcolor=\color{white}, % choose the background color