code: def flag_is_related(self, flag):
          '''
          Checks for relationship between a flag and this block.
  
          Returns:
              True if the flag is related to this block.
          '''
          same_worksheet = flag.worksheet == self.worksheet
          if isinstance(flag.location, (tuple, list)):
              return (flag.location[0] >= self.start[0] and flag.location[0] < self.end[0] and
                      flag.location[1] >= self.start[1] and flag.location[1] < self.end[1] and
                      same_worksheet)
          else:
              return same_worksheef flag_is_related(self, flag):
          '''
          Checks for relationship between a flag and this block.
  
          Returns:
              True if the flag is related to this block.
          '''
          same_worksheet = flag.worksheet == self.worksheet
          if isinstance(flag.location, (tuple, list)):
              return (flag.location[0] >= self.start[0] and flag.location[0] < self.end[0] and
                      flag.location[1] >= self.start[1] and flag.location[1] < self.end[1] and
                      same_worksheet)
          else:
              return same_worksheet
docs: Checks for relationship between a flag and this block.
  
          Returns:
              True if the flag is related to this block.