deletions | additions       diff --git a/section_Code_Listings_We_will__.tex b/section_Code_Listings_We_will__.tex  index becfb1f..65d975d 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 which you can add to your header.tex file is:  \begin{figure}  \begin{lstlisting}  \usepackage{listings}