new_contents: import lcio
  
  fac = lcio.LCFactory.getInstance()
  rdr = fac.createLCReader()
  rdr.open("write_test.slcio")
  evt = rdr.readNextEvent()
  coll = evt.getSimCalorimeterHitCollection("hits")
  print repr(coll)
  hit=coll.getElementAt(0)
  print repr(hit)
  
subject: Add example read of previously written LCIO using Python