code: def inertiaDecl(self):
      localctx = AutolevParser.InertiaDeclContext(
          self, self._ctx, self.state
      )
      self.enterRule(localctx, 26, self.RULE_inertiaDecl)
      self._la = 0  # Token type
      try:
          self.enterOuterAlt(localctx, 1)
          self.state = 236
          self.match(AutolevParser.Inertia)
          self.state = 237
          self.match(AutolevParser.ID)
          self.state = 241
          self._errHandler.sync(self)
          _la = self._input.LA(1)
          if _la == 12:
              self.state = 238
              self.match(AutolevParser.T__11)
              self.state = 239
              self.match(AutolevParser.ID)
              self.state = 240
              self.match(AutolevParser.T__12)
  
          self.state = 245
          self._errHandler.sync(self)
          _la = self._input.LA(1)
          while True:
              self.state = 243
              self.match(AutolevParser.T__9)
              self.state = 244
              self.expr(0)
              self.state = 247
              self._errHandler.sync(self)
              _la = self._input.LA(1)
              if not (_la == 10):
                  break
  
      except RecognitionException as re:
          localctx.exception = re
          self._errHandler.reportError(self, re)
          self._errHandler.recover(self, re)
      finally:
          self.exitRule()
      return localctx
  
imports: from antlr4 import *
  from io import StringIO
  import sys
label_desc: Use image node_id 15 for calling the AutolevParser obj's underlying member method code with example usage: obj.inertiaDecl() and returns: localctx