\begin{Verbatim}[commandchars=\\\{\}]
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n}{unk\PYGZus{}dna}
\PYG{g+go}{UnknownSeq(20, character=\PYGZsq{}N\PYGZsq{})}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n}{unk\PYGZus{}dna}\PYG{o}{.}\PYG{n}{complement}\PYG{p}{()}
\PYG{g+go}{UnknownSeq(20, character=\PYGZsq{}N\PYGZsq{})}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n}{unk\PYGZus{}dna}\PYG{o}{.}\PYG{n}{reverse\PYGZus{}complement}\PYG{p}{()}
\PYG{g+go}{UnknownSeq(20, character=\PYGZsq{}N\PYGZsq{})}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n}{unk\PYGZus{}dna}\PYG{o}{.}\PYG{n}{transcribe}\PYG{p}{()}
\PYG{g+go}{UnknownSeq(20, character=\PYGZsq{}N\PYGZsq{})}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n}{unk\PYGZus{}protein} \PYG{o}{=} \PYG{n}{unk\PYGZus{}dna}\PYG{o}{.}\PYG{n}{translate}\PYG{p}{()}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n}{unk\PYGZus{}protein}
\PYG{g+go}{UnknownSeq(6, character=\PYGZsq{}X\PYGZsq{})}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n+nb}{print}\PYG{p}{(}\PYG{n}{unk\PYGZus{}protein}\PYG{p}{)}
\PYG{g+go}{XXXXXX}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n+nb}{len}\PYG{p}{(}\PYG{n}{unk\PYGZus{}protein}\PYG{p}{)}
\PYG{g+go}{6}
\end{Verbatim}
