code: def exploreISA(pathToISATABFile, verbose=True):
      
      try:
          isa_tab_record = isatab.load(pathToISATABFile, skip_load_tables=True)
          if verbose:
              print('In this ISATAB file you have:')
              for idx,st in enumerate(isa_tab_record.studies):
                  print('Study: '+str(idx+1))
                  print('\tStudy Identifier: '+st.identifier+', Study ID: '+st.id+', Study Filename: '+st.filename+', Study Title: '+st.title)
                  print('\tThis Study has the following Assays:')
                  for ix,a in enumerate(st.assays):
                      print('\tAssay: '+str(ix+1))
                      print('\t\tAssay Filename: '+a.filename+', Assay technology type: '+a.technology_type.term)
      except FileNotFoundError as err:
          raise err
docs: This function loops through the ISATAB file and lists its Studies and their associated Assays.
      :param pathToISATABFile: The path to the ISATAB file.
      :type xpathToISATABFile: str
      :param verbose: Whether (or not) to print out details of Studies and Assays (default: True)
      :type verbose: boolean
      :raise FileNotFoundError: If pathToISATABFile does not contain file 'i_Investigation.txt'.