\documentclass[a4paper, landscape]{article}
\input{src/default.tex}
% Global setttings
\def\subject{Subject}
\def\semester{Semester}
\def\author{Author}
\def\cols{4}
\cheatsheet{
    \section{Section}
    This is a section
    \subsection{Subsection}
    This is a subsection
    \subsubsection{Subsubsection}
    This is a subsubsection
    % Two-column layout within the section
    \begin{minipage}{0.49\linewidth}
        Left
    \end{minipage}
    \hfill
    \begin{minipage}{0.49\linewidth}
       Right
    \end{minipage}
    \section{Table Example}
    \begin{tabularx}{\linewidth}{|X|X|X|}
        \hline
        \textbf{Header 1} & \textbf{Header 2} & \textbf{Header 3} \\
        \hline
        Row 1, Col 1 & Row 1, Col 2 & Row 1, Col 3 \\
        \hline
        Row 2, Col 1 & Row 2, Col 2 & Row 2, Col 3 \\
        \hline
        Row 3, Col 1 & Row 3, Col 2 & Row 3, Col 3 \\
        \hline
    \end{tabularx}
    \section{Boxed Equation}
    % Boxed equation with a simple math expression
    \mathbox{
        $E = mc^2$
    }
    \section{Input}
    % Including an external file
    \input{sections/00_Example}
    \section{Image}
    % Including an image with full width
    \includegraphics[width=\linewidth]{img/example.png} 
}