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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 info(self, val):
 """Set info metric."""

        if self._labelname_set.intersection(val.keys()):
            raise ValueError('Overlapping labels for Info metric, metric: %s child: %s' % (
                self._labelnames, val))
        with self._lock:
            self._value = dict(val)