info = {
    "苹果":32.8,
    "香蕉":22,
    "葡萄": 15.5
}
# key = input("请输入水果名称：")
# for i in info:
while True:
    for j in info.values():#     if i==key:
        i=input("请输入：")

        print(info[i])

