extract the part for unnamed chunk out as a function to reuse
extract the part for unnamed chunk out as a function to reuse

fboehm/labnotebook,antass/labnotebook3,fboehm/labnotebook,fboehm/labnotebook,fboehm/cboettig_site,fboehm/labnotebook,fboehm/cboettig_site,fboehm/cboettig_site,fboehm/cboettig_site,fboehm/labnotebook,fboehm/cboettig_site,antass/labnotebook3,antass/labnotebook3,fboehm/labnotebook