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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 gauge(self, stat, value, rate=1, delta=False):
 """Set a gauge value."""

        if value < 0 and not delta:
            if rate < 1:
                if random.random() > rate:
                    return
            with self.pipeline() as pipe:
                pipe._send_stat(stat, '0|g', 1)
                pipe._send_stat(stat, '%s|g' % value, 1)
        else:
            prefix = '+' if delta and value >= 0 else ''
            self._send_stat(stat, '%s%s|g' % (prefix, value), rate)