'Return true if this Person has worked in the given Movie,
or if the fiven Character was played by this Person.'

def __contains__(self, item):

    from Movie import Movie
    from Character import Character
    if isinstance(item, Movie):
        for m in flatten(self.data, yieldDictKeys=1, scalar=Movie):
            if item.isSame(m):
                return 1
    elif isinstance(item, Character):
        for m in flatten(self.data, yieldDictKeys=1, scalar=Movie):
            if item.isSame(m.currentRole):
                return 1
    return 0
