% code environment
\usepackage{ntheorem}
{\theorembodyfont{\rmfamily} \newtheorem{codemass}{Scilab Code}[chapter]}
\newenvironment{scicode}%
{\begin{codemass}}{\hrule \end{codemass}}
\newcommand\ccaption[1]
     {\addcontentsline{cod}{section}{\protect\numberline {\thecodemass}#1}}
\makeatletter \newcommand\listofcode
     {\chapter*{List of Scilab Code\markboth%
                        {\bf List of Scilab Code}{}}%
\renewcommand*\l@section{\@dottedtocline{1}{1.5em}{2em}}%
\addcontentsline{toc}{chapter}{\protect\numberline{List of Scilab Code}}
\@starttoc{cod}}
\newcommand\l@scilab[3]
     {#1 \par\noindent#2, #3 \par} 
\renewcommand\@pnumwidth{2.1em}
\makeatother


\usepackage{ntheorem}
{\theorembodyfont{\rmfamily} \newtheorem{ardmass}{Arduino Code}[chapter]}
\newenvironment{ardcode}%
{\begin{ardmass}}{\hrule \end{ardmass}}
\newcommand\acaption[1]
     {\addcontentsline{ard}{section}{\protect\numberline {\theardmass}#1}}
\makeatletter \newcommand\listofard
     {\chapter*{List of Arduino Code\markboth%
                        {\bf List of Arduino Code}{}}%
\renewcommand*\l@section{\@dottedtocline{1}{1.5em}{3em}}%
\addcontentsline{toc}{chapter}{\protect\numberline{List of Arduino Code}}
\@starttoc{ard}}
\newcommand\l@arduino[3]
     {#1 \par\noindent#2, #3 \par} 
\renewcommand\@pnumwidth{2.1em}
\makeatother

\usepackage{ntheorem}
{\theorembodyfont{\rmfamily} \newtheorem{pymass}{Python Code}[chapter]}
\newenvironment{pycode}%
{\begin{pymass}}{\hrule \end{pymass}}
\newcommand\pcaption[1]
     {\addcontentsline{pyd}{section}{\protect\numberline {\thepymass}#1}}
\makeatletter \newcommand\listofpyd
     {\chapter*{List of Python Code\markboth%
                        {\bf List of Python Code}{}}%
\renewcommand*\l@section{\@dottedtocline{1}{1.5em}{3em}}%
\addcontentsline{toc}{chapter}{\protect\numberline{List of Python Code}}
\@starttoc{pyd}}
\newcommand\l@python[3]
     {#1 \par\noindent#2, #3 \par} 
\renewcommand\@pnumwidth{2.1em}
\makeatother
%%%%%%%%%python


\makeatletter
\renewcommand\tableofcontents{%
    \if@twocolumn
      \@restonecoltrue\onecolumn
    \else
      \@restonecolfalse
    \fi
    \chapter*{\contentsname
        \@mkboth{%
           \bf \contentsname}{\bf \contentsname}}%
    \@starttoc{toc}%
    \if@restonecol\twocolumn\fi
    }
%
\renewcommand\listoffigures{%
    \if@twocolumn
      \@restonecoltrue\onecolumn
    \else
      \@restonecolfalse
    \fi
    \chapter*{\listfigurename
        \@mkboth{%
           \bf \listfigurename}{\bf \listfigurename}}%
\addcontentsline{toc}{chapter}{\protect\numberline{List of Figures}}
    \@starttoc{lof}%
    \if@restonecol\twocolumn\fi
    }
%
\renewcommand\listoftables{%
    \if@twocolumn
      \@restonecoltrue\onecolumn
    \else
      \@restonecolfalse
    \fi
    \chapter*{\listtablename
        \@mkboth{%
           \bf \listtablename}{\bf \listtablename}}%
\addcontentsline{toc}{chapter}{\protect\numberline{List of Tables}}
    \@starttoc{lot}%
    \if@restonecol\twocolumn\fi
    }
%
\renewenvironment{theindex}
               {\if@twocolumn
                  \@restonecolfalse
                \else
                  \@restonecoltrue
                \fi
                \columnseprule \z@
                \columnsep 35\p@
                \twocolumn[\@makeschapterhead{\indexname}]%
                \@mkboth{\bf \indexname}%
                        {\bf \indexname}%
\addcontentsline{toc}{chapter}{\protect\numberline{\indexname}}%
                \thispagestyle{plain}\parindent\z@
                \parskip\z@ \@plus .3\p@\relax
                \let\item\@idxitem}
               {\if@restonecol\onecolumn\else\clearpage\fi}
\renewenvironment{thebibliography}[1]
     {\chapter*{\bibname}%
      \@mkboth{\bf \bibname}{\bf \bibname}%
\addcontentsline{toc}{chapter}{\protect\numberline{References}}%
      \list{\@biblabel{\@arabic\c@enumiv}}%
           {\settowidth\labelwidth{\@biblabel{#1}}%
            \leftmargin\labelwidth
            \advance\leftmargin\labelsep
            \@openbib@code
            \usecounter{enumiv}%
            \let\p@enumiv\@empty
            \renewcommand\theenumiv{\@arabic\c@enumiv}}%
      \sloppy
      \clubpenalty4000
      \@clubpenalty \clubpenalty
      \widowpenalty4000%
      \sfcode`\.\@m}
     {\def\@noitemerr
       {\@latex@warning{Empty `thebibliography' environment}}%
      \endlist}
\makeatother

%\makeatletter
%\renewcommand{\p@subfigure}{}
%\renewcommand{\@thesubfigure}{\thesubfigure:\hskip\subfiglabelskip}
%\makeatother
%\setcounter{lofdepth}{2}

%\makeatletter\renewcommand{\p@subfigure}{}\renewcommand{\@thesubfigure}{\thesubfigure:\hskip\subfiglabelskip}\makeatother

%\setcounter{lofdepth}{2}

\lstdefinestyle{mystyle}{
    numberstyle=\tiny,
    basicstyle=\footnotesize,
    breakatwhitespace=false,         
    breaklines=true,                 
    captionpos=b,                    
    keepspaces=true,                 
    numbers=left,                    
    numbersep=5pt,                  
    showspaces=false,                
    showstringspaces=false,
    showtabs=false,                  
    tabsize=2
}

\lstset{style=mystyle,language=Scilab,numbers=left,numberstyle=\tiny,
  breaklines,commentstyle=\scriptsize}

\lstdefinestyle{nonumbers}{
    numbers=none,
    basicstyle=\footnotesize,
    breakatwhitespace=false,         
    breaklines=true,                 
    captionpos=b,                    
    keepspaces=true,                 
    showspaces=false,                
    showstringspaces=false,
    showtabs=false,                  
    tabsize=2
}

\lstset{style=mystyle,language=C,numbers=left,numberstyle=\tiny,
  breaklines,commentstyle=\scriptsize}

\newenvironment{indented}[1][]%
               {\list{}%
                {\leftmargin \parindent%
                 \rightmargin \parindent%
                 \labelsep   1em%
                 \itemindent 0in}%
                \item#1\relax}%
               {\endlist\noindent}%
\def\eop{ \hbox{{\vrule height7pt width3pt depth0pt}}}
\def\qed{\hspace*{\fill}\eop}

\newenvironment{thmenumerate}{%
\leavevmode\vspace{-1.4em}
\begin{enumerate}[label=(\arabic*),leftmargin=*,align=left]
}{%
\end{enumerate}
}

\usepackage{theorem}
{\theorembodyfont{\sffamily} \newtheorem{egmass}{Exercise}[chapter]}
\newenvironment{exercise}%
{\begin{indented}\begin{egmass} }{\end{egmass} \vspace{-2ex} \qed%
\end{indented}}