def peek(self, eof_token=False):
        """Same as :meth:`next`, except the token is not dequeued."""
        if len(self.queue) == 0:
            self._refill(eof_token)

        return self.queue[-1]
def peek(self, eof_token=False):
        
        if len(self.queue) == 0:
            self._refill(eof_token)

        return self.queue[-1]
def peek ( self , eof_token = False ) : if len ( self . queue ) == 0 : self . _refill ( eof_token ) return self . queue [ - 1 ]
Same as :meth:`next`, except the token is not dequeued.
Same as : meth : next except the token is not dequeued .