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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_metadata(self_or_cls, obj, fn, *dicts):
 """ Returns a merged metadata info dictionary from the supplied function and additional dictionaries """

        merged = dict([(k,v) for d in dicts for (k,v) in d.items()])
        return dict(merged, **fn(obj)) if fn else merged