new_contents: 
  #List of input files and reference databases
  sim_files = [("./inputs/physor/1_Enrichment_2_Reactor.xml", "./benchmarks/physor_1_Enrichment_2_Reactor.h5"),
              ("./inputs/physor/2_Sources_3_Reactors.xml", "./benchmarks/physor_2_Sources_3_Reactors.h5")]
  
subject: Add python file with a list of simulation files.