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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 normalize_feature_objects(feature_objs):
 """Takes an iterable of GeoJSON-like Feature mappings or an iterable of objects with a geo interface and normalizes it to the former."""

    for obj in feature_objs:
        if hasattr(obj, "__geo_interface__") and \
           'type' in obj.__geo_interface__.keys() and \
           obj.__geo_interface__['type'] == 'Feature':
            yield obj.__geo_interface__
        elif isinstance(obj, dict) and 'type' in obj and \
                obj['type'] == 'Feature':
            yield obj
        else:
            raise ValueError("Did not recognize object {0}"
                             "as GeoJSON Feature".format(obj))