Comments in Latex

\documentclass{beamer}
\title{Latex Tutorial}
\author{Mohammad Rakibul Haider}
\date{\today}

\begin{document}
    \begin{frame}
        \titlepage
    \end{frame}
    
    \begin{frame}
        Hello %This is first comment
        \\world %This is second comment
    \end{frame}
\end{document}