code: def unravel_sections(section_data):
          
          sections = []
          for type, subsection_list in section_data.items():
              for section in subsection_list:
                  section['sectionType'] = type
                  sections.append(section)
          return sections
docs: Unravels section type dictionary into flat list of sections with
          section type set as an attribute.
  
          Args:
              section_data(dict): Data return from py:method::get_sections
  
          Returns:
              list: Flat list of sections with ``sectionType`` set to
                  type (i.e. recitation, lecture, etc)