\begin{Verbatim}[commandchars=\\\{\}] \PYG{n}{String}\PYG{+w}{ }\PYG{n+nf}{replace}\PYG{p}{(}\PYG{k+kt}{char}\PYG{+w}{ }\PYG{n}{oldChar}\PYG{p}{,}\PYG{+w}{ }\PYG{k+kt}{char}\PYG{+w}{ }\PYG{n}{newChar}\PYG{p}{)} \end{Verbatim}