\begin{Verbatim}[commandchars=\\\{\}]
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{k+kn}{from} \PYG{n+nn}{Bio} \PYG{k+kn}{import} \PYG{n}{SeqIO}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n}{orchid\PYGZus{}dict} \PYG{o}{=} \PYG{n}{SeqIO}\PYG{o}{.}\PYG{n}{index\PYGZus{}db}\PYG{p}{(}\PYG{l+s+s2}{\PYGZdq{}ls\PYGZus{}orchid.gbk.bgz.idx\PYGZdq{}}\PYG{p}{,} \PYG{l+s+s2}{\PYGZdq{}ls\PYGZus{}orchid.gbk.bgz\PYGZdq{}}\PYG{p}{,} \PYG{l+s+s2}{\PYGZdq{}genbank\PYGZdq{}}\PYG{p}{)}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n+nb}{len}\PYG{p}{(}\PYG{n}{orchid\PYGZus{}dict}\PYG{p}{)}
\PYG{g+go}{94}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n}{orchid\PYGZus{}dict}\PYG{o}{.}\PYG{n}{close}\PYG{p}{()}
\end{Verbatim}
