def get_mathematical_score():
    return 90


def get_english_score():
    return 95


def get_history_score():
    return 98


def get_score_by_course(course):
    """
    根据课程获取考试分数
    :param course:
    :return:
    """
    global_dict = globals()
    print(global_dict)
    func_name = 'get_{course}_score'.format(course=course)
    func = global_dict.get(func_name)
    return func()


print(get_score_by_course('history'))