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\noindent
{\large {\em Weekly Report No. 24} \hfill \today\\}
\noindent
{\color{cute_green} \rule{\linewidth}{0.5mm} }
\noindent
{\large from: Alireza Arjmand Shakouri \hfill Sept 16 - Sept 23}
\doublespacing
\noindent
{\large to: Professor Name Surname}
\noindent
\section{Last Week}
\begin{itemize}
    \item The things I did last week.
\end{itemize}
\hfill
\section{Next Week}
\begin{itemize}
    \item I am going to do lots of cool tasks next week!
    \item And even cooler stuff!
\end{itemize}
\end{document}