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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 merge(self, other):
 """Merge data from another Compound into this Compound."""

        log.debug('Merging: %s and %s' % (self.serialize(), other.serialize()))
        for k in self.keys():
            for new_item in other[k]:
                if new_item not in self[k]:
                    self[k].append(new_item)
        log.debug('Result: %s' % self.serialize())
        return self