\begin{Verbatim}[commandchars=\\\{\}]
\PYG{n}{SFM} \PYG{o}{=} \PYG{n}{SubsMat}\PYG{o}{.}\PYG{n}{\PYGZus{}build\PYGZus{}subs\PYGZus{}mat}\PYG{p}{(}\PYG{n}{OFM}\PYG{p}{,} \PYG{n}{EFM}\PYG{p}{)}
\end{Verbatim}
