dict = {

    "河北": {

        "石家庄":{"晋州市","平山县","元氏"},

        "邯郸": {"永年","涉县","磁县"},

        },

    "河南": {

        "郑州": {"新郑","荥阳","新密"},

        "周口": {"项城","淮阳","太康"},

        }

    }

inp1 = input("用户输入省份:")

for i in dict[inp1]:

    print(i)

inp2 = input("用户输入城市:")

for j in dict[inp1][inp2]:

    print(j)