code: def hit_delete(self, all_hits, hit_ids=None):
          ''' Delete HIT. '''
          if all_hits:
              hits_data = self.amt_services.get_all_hits()
              hit_ids = [hit.options['hitid'] for hit in hits_data if \
                         hit.options['status'] == "Reviewable"]
          for hit in hit_ids:
              # Check that the HIT is reviewable
              status = self.amt_services.get_hit_status(hit)
              if not status:
                  print "*** Error getting hit status"
                  return
              if self.amt_services.get_hit_status(hit) != "Reviewable":
                  print("*** This hit is not 'Reviewable' and so can not be "
                        "deleted")
                  return
              else:
                  success = self.amt_services.delete_hit(hit)
                  # self.web_services.delete_ad(hit)  # also delete the ad
                  if success:
                      if self.sandbox:
                          print "deleting sandbox HIT", hit
                      else:
                          print "deleting live HIT", hif hit_delete(self, all_hits, hit_ids=None):
          ''' Delete HIT. '''
          if all_hits:
              hits_data = self.amt_services.get_all_hits()
              hit_ids = [hit.options['hitid'] for hit in hits_data if \
                         hit.options['status'] == "Reviewable"]
          for hit in hit_ids:
              # Check that the HIT is reviewable
              status = self.amt_services.get_hit_status(hit)
              if not status:
                  print "*** Error getting hit status"
                  return
              if self.amt_services.get_hit_status(hit) != "Reviewable":
                  print("*** This hit is not 'Reviewable' and so can not be "
                        "deleted")
                  return
              else:
                  success = self.amt_services.delete_hit(hit)
                  # self.web_services.delete_ad(hit)  # also delete the ad
                  if success:
                      if self.sandbox:
                          print "deleting sandbox HIT", hit
                      else:
                          print "deleting live HIT", hit
docs: Delete HIT.