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c O@ s& t | � d k r. t d t | � f � � n | sC t d � � n | d } d } t | � d k rr | d } n t | t � r� xw | D] } | | | | <q� WnX t | d � r� xF | j � D] } | | | | <q� Wn! x | D] \ } } | | | <q� Wx$ | j � D] \ } } | | | <qWd S( s� od.update(E, **F) -> None. Update od from dict/iterable E and F.
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