def fromkeys(cls, iterable, value = None):
        '''od.fromkeys(S[, v]) -> New ordered dictionary with keys from S
        and values equal to v (which defaults to None).

        '''      
        d = cls()
        for key in iterable:
            d[key] = value
        return d
od.fromkeys(S[, v]) -> New ordered dictionary with keys from S
        and values equal to v (which defaults to None).

        
recipes/Python/577826_Yet_Another_Ordered_Dictionary/recipe-577826.py