All of my includes for a LaTeX file

include.tex

%libraries
\usepackage[T1]{fontenc}
	% é & à ...
\usepackage[utf8]{inputenc}
\usepackage[francais]{babel}
	%cosmetique :D
\usepackage{color}
\usepackage{url}
\usepackage{caption}
\usepackage{multicol}
\usepackage{eurosym}
\usepackage{textcomp}
	%images
\usepackage{graphicx}
\usepackage{float}
	%integration prog
\usepackage{listings}
	%maths/phy
\usepackage[squaren,Gray]{SIunits}
\usepackage{mathtools}
\usepackage{physics}
	%no page number
\usepackage{nopageno}
\usepackage{geometry}

\geometry{margin=0.7in}


%config
\pagestyle{plain}
\floatplacement{figure}{H}

%\captionsetup{justification=centering}
\def \grand {200pt}
\def \moyen {150pt}
\def \petit	{100pt}
\def \mini	{ 50pt}
\def \vo    {v_{0}}
\def \reau  {\rho_{eau}}
\def \ux    {\vec{u_{x}}}


\newcommand{\img}[4]{ %taille,lien,description,label
\begin{figure}
	\begin{center}
		\includegraphics[height=#1]{#2}
	\end{center}
	\caption{#3}
	\label{#4}
\end{figure}
}

% no indent
\setlength\parindent{8pt}

\definecolor{mygreen}{rgb}{0,0.6,0}
\definecolor{mygray}{rgb}{0.5,0.5,0.5}
\definecolor{mymauve}{rgb}{0.58,0,0.82}

\lstset{ %
  backgroundcolor=\color{white},   % choose the background color; you must add \usepackage{color} or \usepackage{xcolor}; should come as last argument
  basicstyle=\footnotesize,        % the size of the fonts that are used for the code
  breakatwhitespace=false,         % sets if automatic breaks should only happen at whitespace
  breaklines=true,                 % sets automatic line breaking
  captionpos=b,                    % sets the caption-position to bottom
  commentstyle=\color{mygreen},    % comment style
  deletekeywords={...},            % if you want to delete keywords from the given language
  escapeinside={\%*}{*)},          % if you want to add LaTeX within your code
  extendedchars=true,              % lets you use non-ASCII characters; for 8-bits encodings only, does not work with UTF-8
  frame=single,	                   % adds a frame around the code
  keepspaces=true,                 % keeps spaces in text, useful for keeping indentation of code (possibly needs columns=flexible)
  keywordstyle=\color{blue},       % keyword style
  language=Python,                 % the language of the code
  morekeywords={*,...},            % if you want to add more keywords to the set
  numbers=left,                    % where to put the line-numbers; possible values are (none, left, right)
  numbersep=5pt,                   % how far the line-numbers are from the code
  numberstyle=\color{mygray}, 	   % the style that is used for the line-numbers
  rulecolor=\color{black},         % if not set, the frame-color may be changed on line-breaks within not-black text (e.g. comments (green here))
  showspaces=false,                % show spaces everywhere adding particular underscores; it overrides 'showstringspaces'
  showstringspaces=false,          % underline spaces within strings only
  showtabs=false,                  % show tabs within strings adding particular underscores
  stringstyle=\color{mymauve},     % string literal style
  tabsize=2,	                   % sets default tabsize to 2 spaces
  title=\lstname                   % show the filename of files included with \lstinputlisting; also try caption instead of title
}