code: def parse_seeds_xml(root):
      
      seeds = []
  
      for seed_el in root.findall('seed'):
          seed_dict = dict()
          seed_dict['rationale'] = _safe_get_text(seed_el)
  
          if 'option' in seed_el.attrib:
              seed_dict['answer'] = int(seed_el.attrib['option']) - 1
          else:
              raise ValidationError(_('Seed element must have an option attribute.'))
  
          seeds.append(seed_dict)
  
      return seeds
docs: Parse <seeds> element in the UBCPI XBlock's content XML.
  
      Args:
          root (lxml.etree.Element): The root of the <seeds> node in the tree.
  
      Returns:
          a list of deserialized representation of seeds. E.g.
          [{
              'answer': 1,  # option index starting from one
              'rationale': 'This is a seeded answer',
          },
          {....
          }]
  
      Raises:
          ValidationError: The XML definition is invalid.