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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _peek(self, n):
 # type: (int) -> str """ Peeks ahead n characters. n is the max number of characters that will be peeked. """

        # we always want to restore after exiting this scope
        with self._state(restore=True):
            buf = ""
            for _ in range(n):
                if self._current not in " \t\n\r#,]}":
                    buf += self._current
                    self.inc()
                    continue

                break
            return buf