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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 set_many(self, block, update_dict):
 """Update the underlying model with the correct values."""

        updated_dict = {}

        # Generate a new dict with the correct mappings.
        for (key, value) in six.iteritems(update_dict):
            updated_dict[self._key(block, key)] = value

        self._kvs.set_many(updated_dict)