%% PAGE LAYOUT
\documentclass[a4paper, 12pt, twocolumn, english]{article}
\input{packages}
\input{commands}
\geometry{margin=1in}
%%% TITLE
\title{<++>}
\author{\textit{Alexander Bocken}}
%\date{}
\addto\captionsenglish{\def\contentsname{\textsc{Contents}}}

%%% HEAD- AND FOOTLINES
\usepackage{scrpage2}
\pagestyle{scrheadings}
\clearscrheadfoot
\ihead{\textsc{<++>}}
\chead{}
\ohead{}
\ifoot{}
\cfoot{\pagemark}
\ofoot{}

\begin{document}
\twocolumn[
  \begin{@twocolumnfalse}
    \maketitle
   \section*{\textsc{Abstract}}
        <++>\\
  \end{@twocolumnfalse}
]

\tableofcontents

\section{\textsc{<++>}}
<++>

\onecolumn
\renewcommand{\thesection}{A}
\section{Appendix}
\appendix
%The code used for calculating these results:
%\begin{minted}[breaklines, linenos, xleftmargin=12pt]{python}
%	<++>
%\end{minted}
%\includepdf[pages=-]{<++>}
\end{document}