\documentclass[12pt]{article}
%colours
\usepackage[dvipsnames]{xcolour}
%to set margins
\usepackage[margin=2cm]{geometry}
%for math typing
\usepackage{latexsym, amssymb, amsfonts, mathtools, xfrac}
%for source code listings
\usepackage{listings}
%for algorithm typing
\usepackage[noEnd=false]{algpseudocodex}

%set some settings for listings package
\lstset{
	backgroundcolor=\color{white},
	basicstyle=\footnotesize\ttfamily,
	breakatwhitespace=false,
	breaklines=true,
	captionpos=b,
	commentstyle=\color{green},
	frame=single,
	keepspaces=true,
	keywordstyle=\color{blue},
	numbers=left,
	numbersep=5pt,
	numberstyle=\tiny\color{gray},
	rulecolor=\color{black},
	showspaces=false,
	showstringspaces=true,
	showtabs=true,
	stepnumber=1,
	stringstyle=\color{BurntOrange},
	tabsize=2,
}

%turn off section below a specific depth
% \setcounter{secnumdepth}{0}

%makes subsections alphabetical.
% \renewcommand\thesubsection{\alph{subsection}).}

\title{REPLACE}
\date{REPLACE}
\author{Gabriel Venberg}

\begin{document}
\maketitle
\end{document}