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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 vector_filter(actual_vector, predict_vector):
 """ Convert different type of items in vectors to str. :param actual_vector: actual values :type actual_vector : list :param predict_vector: predict value :type predict_vector : list :return: new actual and predict vector """

    temp = []
    temp.extend(actual_vector)
    temp.extend(predict_vector)
    types = set(map(type, temp))
    if len(types) > 1:
        return [list(map(str, actual_vector)), list(map(str, predict_vector))]
    return [actual_vector, predict_vector]