code: def display(self):
          
          if self.title and self.organization:
              disp = self.title + u' at ' + self.organization
          else:
              disp = self.title or self.organization or None
          if disp and self.industry:
              if self.date_range is not None:
                  disp += u' (%s, %d-%d)' % ((self.industry,) + \
                                             self.date_range.years_range)
              else:
                  disp += u' (%s)' % self.industry
          else:
              disp = ((disp or u'') + u' ' + (self.industry or u'')).strip()
              if disp and self.date_range is not None:
                  disp += u' (%d-%d)' % self.date_range.years_range
          return disp
docs: A unicode value with the object's data, to be used for displaying 
          the object in your application.