====== write perl code in jupyter notebook ======
[[https://github.com/EntropyOrg/p5-Devel-IPerl|source]]
<code>
sudo apt install libzmq3-dev
sudo apt install cpanminus
sudo apt install jupyter-console jupyter-notebook
cpanm Devel::IPerl
echo 'export PERL5LIB="$PERL5LIB:/home/psuter/perl5/lib/perl5"' >> ~/.bashrc
echo 'export PATH="$PATH:/home/psuter/perl5/bin"' >> ~/.bashrc
</code>

now start a new notebook using 
  iperl notebook