\documentclass{article}

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% License: MIT
% Author: Sven Vogel
% Copyright: Sven Vogel (2023)

% Based on the tutorial at: 
% https://www.overleaf.com/learn/latex/Code_Highlighting_with_minted

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% include the required package
% make sure this is installed:
% > tlmgr install minted
\usepackage{minted}
% ===================================================

\title{Minted-Syntax-Hightlightning-Test}
\author{Sven Vogel}
\date{September 2023}
\begin{document}
\maketitle

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% Add the list of listings 
\renewcommand\listoflistingscaption{List of source codes}
\listoflistings % Now typeset the list
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\section{Introduction}
The following will show some syntax highlighted source code:

% ===================================================
% define some source code and specifiy the language
% every minted block is wrapped in a listing block for alignment and
% the option to add some caption and label
\begin{listing}[ht]
    %             vvvvvvvv <= specifiy language
    \begin{minted}{python}
def incmatrix(genl1,genl2):
    for i in range(m-1):
        for j in range(i+1, m):
            [r,c] = np.where(M2 == M1[i,j])
            for k in range(len(r)):
                VT[(i)*n + r[k]] = 1;
                VT[(i)*n + c[k]] = 1;
                VT[(j)*n + r[k]] = 1;
                VT[(j)*n + c[k]] = 1;
                
                if M is None:
                    M = np.copy(VT)
                else:
                    M = np.concatenate((M, VT), 1)
                
                VT = np.zeros((n*m,1), int)
    return M
    \end{minted}
    \caption{Some python code}  % add a caption
    \label{listing:1}           % add a label for referencing
\end{listing}

This code is imported from a file:

% import code from a file:
\begin{listing}[ht]
    \inputminted{latex}{some_code.txt}
    \caption{Some latex code}
    \label{listing:2}
\end{listing}

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\end{document}