\begin{Verbatim}[commandchars=\\\{\}]
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{k}{for} \PYG{n}{blast\PYGZus{}record} \PYG{o+ow}{in} \PYG{n}{blast\PYGZus{}records}\PYG{p}{:}
\PYG{g+gp}{... }    \PYG{c+c1}{\PYGZsh{} Do something with blast\PYGZus{}record}
\end{Verbatim}
