shengfen=["河北","江苏","山东"]
chengshi=[["石家庄","邢台","保定"],["苏州","南昌","扬州"],["菏泽","济南","青岛"]]
def search(c):
for i in range(len(shengfen)):
for x in shengfen[i]:
if x==c:
print(c,"省有如下城市:",chengshi[i])
return
print("省份没有城市存档")
c=input("输入省名:")
search(c)