code: def update(self):
          
          if not self._screen.is_visible(self._x, self._y):
              self._respawn()
  
          cur_char, _, _, _ = self._screen.get_from(self._x, self._y)
          if cur_char not in (ord(self._old_char), 32):
              self._respawn()
  
          self._cycle += 1
          if self._cycle >= len(self._star_chars):
              self._cycle = 0
  
          new_char = self._star_chars[self._cycle]
          if new_char == self._old_char:
              return
  
          self._screen.print_at(new_char, self._x, self._y)
          self._old_char = new_char
docs: Draw the star.