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 \section{New Coding Concepts} 
\begin{itemize} 
    \item [] \textbf{Controlling the precision of numbers using \lstinline{round} 
    \begin{itemize} 
        \item \textit{Customizing the behavior of functions using keyword arguments}page \pageref{label} 
    \end{itemize} 
    \item [] \textbf{Reading and writing Excel files using \lstinline{openpyxl}} 
    \begin{itemize} 
        \item \textit{Using dictionaries as organized collections of objects}page \pageref{label} 
        \item \textit{Doing sophisticated things simply using objects}page \pageref{label} 
        \item \textit{Using f-strings to insert dynamic data into strings}page \pageref{label} 
    \item [] \textbf{Specifying colors using the hexadecimal standard} 
\end{itemize} 
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