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 \section{New Coding Concepts} 
\begin{itemize} 
    \item [] \textbf{Making ordered collections of data more flexible using lists} 
    \item [] \textbf{Adding items to lists using \lstinline{append} 
    \item [] \textbf{Combining lists by concatenation} 
    \item [] \textbf{Finding the number of items in a collection using \lstinline{len} 
    \begin{itemize} 
    \item [] \textbf{Using indexing to access items in lists, arrays, or strings} 
    \begin{itemize} 
    \item [] \textbf{Using slicing to access subsets of lists, arrays, or strings} 
    \begin{itemize} 
    \item [] \textbf{Sorting lists and arrays} 
    \begin{itemize} 
    \item [] \textbf{Finding paths to files using \lstlisting{glob} 
    \begin{itemize} 
        \item \textit{Pointing to files or folders using \lstinline{pathlib}}page \pageref{label} 
        \item \textit{Performing complex operations with functions}page \pageref{label} 
    \end{itemize} 
    \item [] \textbf{Using dictionaries as organized collections of objects} 
    \item [] \textbf{Accessing data in objects using attributes} 
    \begin{itemize} 
        \item \textit{Doing sophisticated things simply using objects}page \pageref{label} 
    \end{itemize} 
    \item [] \textbf{Simplifying repetitive operations using \lstinline{for} loop} 
\end{itemize} 
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