code: def args(self):
      localctx = LaTeXParser.ArgsContext(self, self._ctx, self.state)
      self.enterRule(localctx, 66, self.RULE_args)
      try:
          self.state = 467
          self._errHandler.sync(self)
          la_ = self._interp.adaptivePredict(self._input, 53, self._ctx)
          if la_ == 1:
              self.enterOuterAlt(localctx, 1)
              self.state = 462
              self.expr()
              self.state = 463
              self.match(LaTeXParser.T__0)
              self.state = 464
              self.args()
              pass
  
          elif la_ == 2:
              self.enterOuterAlt(localctx, 2)
              self.state = 466
              self.expr()
              pass
  
      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 35 for calling the LaTeXParser obj's underlying member method code with example usage: obj.args() and returns: localctx