code: def merge_exons(self, exon_a, exon_b, organism=None, sequence=None):
          
          data = {
              'features': [
                  {'uniquename': exon_a},
                  {'uniquename': exon_b},
              ]
          }
          data = self._update_data(data, organism, sequence)
          return self.post('mergeExons', data)
docs: Merge two exons
  
          :type exon_a: str
          :param exon_a: Feature UUID
  
          :type exon_b: str
          :param exon_b: Feature UUID
  
          :type organism: str
          :param organism: Organism Common Name
  
          :type sequence: str
          :param sequence: Sequence Name
  
          :rtype: dict
          :return: A standard apollo feature dictionary ({"features": [{...}]})