def mapper(d, keymap):
        """Dictionary mapper.

        Renames keys according to keymap provided.
        Args:
            d (dict): old dict
            keymap (dict): {'old_key':'new_key'}
        Returns:
            dict: new dict.
        """

        updated_dict = {}
        for k, v in zip(d.keys(), d.values()):
            new_k = keymap.get(k, k)
            updated_dict[new_k] = d[k]
        return updated_dict
Dictionary mapper.

        Renames keys according to keymap provided.
        Args:
            d (dict): old dict
            keymap (dict): {'old_key':'new_key'}
        Returns:
            dict: new dict.
        
mmpretrain/datasets/transforms/processing.py