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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 consume(self, key, amount=1, rate=None, capacity=None, **kwargs):
 """Consume an amount for a given key. Non-default rate/capacity can be given to override Throttler defaults. Returns: bool: whether the units could be consumed """

        bucket = self.get_bucket(key, rate, capacity, **kwargs)
        return bucket.consume(amount)