\begin{Verbatim}[commandchars=\\\{\}]
\PYGdefault{c}{\PYGdefaultZsh{} this is a hello world program in python.}
\PYGdefault{k}{print} \PYGdefault{p}{(}\PYGdefault{l+s}{\PYGdefaultZdq{}hello worlds!\PYGdefaultZdq{}}\PYGdefault{p}{)}
\end{Verbatim}