1\documentclass[11pt]{article} 2\begin{document} 3 4\section{Example for paragraphs} 5 6Some roman text 7 8{\tt 9should be typewriter font 10 11should be typewriter font 12} 13 14\section{Example for itemize} 15 16Another example 17 18\begin{itemize} 19\item one roman 20{\tt 21\item two typewriter 22\item three typewriter 23} 24\begin{itemize} 25\item subitem roman 26\item subitem roman 27\end{itemize} 28\end{itemize} 29 30Now a numbered list 31 32\begin{enumerate} 33\item one roman 34{\tt 35\item two typewriter 36\item three typewriter 37} 38\begin{enumerate} 39\item subitem roman 40\item subitem roman 41\end{enumerate} 42\end{enumerate} 43 44\section{Example for sections} 45But sections are impervious! 46 47\subsection{Title is roman} 48Text is in roman. 49 50{\tt 51\subsection{Two in roman} 52Text is in typewriter. 53 54\subsection{Three in roman} 55Text is in typewriter. 56} 57\end{document} 58