\begin{Verbatim}[commandchars=\\\{\}]
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{k+kn}{from} \PYG{n+nn}{Bio.Seq} \PYG{k+kn}{import} \PYG{n}{Seq}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n}{contigs} \PYG{o}{=} \PYG{p}{[}\PYG{n}{Seq}\PYG{p}{(}\PYG{l+s+s2}{\PYGZdq{}ATG\PYGZdq{}}\PYG{p}{),} \PYG{n}{Seq}\PYG{p}{(}\PYG{l+s+s2}{\PYGZdq{}ATCCCG\PYGZdq{}}\PYG{p}{),} \PYG{n}{Seq}\PYG{p}{(}\PYG{l+s+s2}{\PYGZdq{}TTGCA\PYGZdq{}}\PYG{p}{)]}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n}{spacer} \PYG{o}{=} \PYG{n}{Seq}\PYG{p}{(}\PYG{l+s+s2}{\PYGZdq{}N\PYGZdq{}}\PYG{o}{*}\PYG{l+m+mi}{10}\PYG{p}{)}
\PYG{g+gp}{\PYGZgt{}\PYGZgt{}\PYGZgt{} }\PYG{n}{spacer}\PYG{o}{.}\PYG{n}{join}\PYG{p}{(}\PYG{n}{contigs}\PYG{p}{)}
\PYG{g+go}{Seq(\PYGZsq{}ATGNNNNNNNNNNATCCCGNNNNNNNNNNTTGCA\PYGZsq{})}
\end{Verbatim}
