code: def _init_bindings(self):
      # Key bindings are a good thing.
      self._top.bind("<Control-q>", self.destroy)
      self._top.bind("<Control-x>", self.destroy)
      self._top.bind("<Escape>", self.destroy)
      self._top.bind("n", self.next)
      self._top.bind("<space>", self.next)
      self._top.bind("p", self.prev)
      self._top.bind("<BackSpace>", self.prev)
  
imports: from nltk.parse import MaltParser
  from nltk.sem.drt import DrsDrawer, DrtVariableExpression
  from nltk.sem.glue import DrtGlue
  from nltk.sem.logic import Variable
  from nltk.tag import RegexpTagger
  from nltk.util import in_idle
label_desc: Use image node_id 7 for calling the DrtGlueDemo obj's underlying member method code with example usage: obj._init_bindings() without return types