\begin{footnotesize}
\begin{itemize}[itemsep=0em, parsep=0em, label=$\square$]
	\item \textbf{New concepts}
	\begin{itemize}[itemsep=0em, parsep=0em]
		\item \textit{and their prerequisites}
	\end{itemize}
\end{itemize}

\vspace{1em} \hrule
\vspace{1em} 

\begin{itemize}[itemsep=0em, parsep=0em, label=$\square$]

	\item \textbf{Reading and writing excel files using openpyxl} 
	\begin{itemize}[itemsep=0em, parsep=0em]
		\item \textit{Section: \ref{Expressing_data_as_readable_text_using_strings} - Expressing data as readable text using strings} 
		\item \textit{Section: \ref{Importing_subsets_of_libraries_using_from} - Importing subsets of libraries using \texttt{from}} 
		\item \textit{Section: \ref{Formatting_the_representation_of_numbers_in_strings} - Expressing data as readable text using strings} 
	\end{itemize}

	\item \textbf{Specifying colors using the hexadecimal standard} 
	\begin{itemize}[itemsep=0em, parsep=0em]
		\item \textit{Section: \ref{Formatting_the_representation_of_numbers_in_strings} - Expressing data as readable text using strings} 
		\item \textit{Section: \ref{Specifying_colors_using_the_rgb_standard} - Specifying colors using the rgb standard} 
	\end{itemize}
\end{itemize}
\hrule\end{footnotesize}
