\documentclass[a4paper,10pt]{article}
%s\usepackage[utf8]{inputenc}

%opening
\title{CSci 243 Lab}
\author{Weilin Wang}

\begin{document}

\maketitle
\section{Plain Text}
This is the first file we create with LaTeX!\\

\section{Enumerate Environment:}

\begin{enumerate}
 \item This is the first item we have.
  
  \begin{enumerate}
 \item The first item embedded.
 \end{enumerate}
 
 \item This is the second item.

\end{enumerate}

\section{Itemize Environment:}


\begin{itemize}
 \item The first item in itemize.
 \item The second.
\end{itemize}


\end{document}
