\begin{Verbatim}[commandchars=\\\{\}]
\PYG{p}{(}\PYG{n+nb}{append}\PYG{+w}{ }\PYG{n+nv}{list1}\PYG{+w}{ }\PYG{n+nv}{list2}\PYG{+w}{ }\PYG{n+nv}{listn}\PYG{p}{)}
\end{Verbatim}