code: def slice_check(self):
      if (
          self.bra < 0
          or self.bra > self.ket
          or self.ket > self.limit
          or self.limit > len(self.current)
      ):
          return False
      return True
  
label_desc: Use image node_id 18 for calling the BaseStemmer obj's underlying member method code with example usage: obj.slice_check() and returns: True, False