购物车作业

shuiguo={"橘子":10,"香蕉":15,"葡萄":20,"草莓":25}
shiwu={"大米":11,"鸡肉":22,"牛肉":33,"羊肉":44}
print("水果：",shuiguo)
print("食物：",shiwu)

je=0
sp=input("请输入“水果”或“食物”：")
while True:
    if sp=="水果":
        while True:
            shangpin={"橘子":10,"香蕉":15,"葡萄":20,"草莓":25}
            a=input("请输入购买物品名称，输入Buy进入结算：")
            if a=="橘子":
                print ("您将" + a + "加入购物车")
                a=int(shangpin["橘子"])
                je+=a
            elif a=="香蕉":
                print ("您将" + a + "加入购物车")
                a=int(shangpin["香蕉"])
                je+=a
            elif a=="葡萄":
                print ("您将" + a + "加入购物车")
                a=int(shangpin["葡萄"])
                je+=a
            elif a=="草莓":
                print ("您将" + a + "加入购物车")
                a=int(shangpin["草莓"])
                je+=a
            else:
                print(shangpin)
                print (je)
    elif sp=="食物":
        while True:
            shangpin = {"大米":11,"鸡肉":22,"牛肉":33,"羊肉":44}
            a = input("请输入购买物品名称，输入Buy进入结算：")
            if a == "大米":
                print ("您将" + a + "加入购物车")
                a = int(shangpin["大米"])
                je+=a
            elif a == "鸡肉":
                print ("您将" + a + "加入购物车")
                a = int(shangpin["鸡肉"])
                je+=a
            elif a == "牛肉":
                print ("您将" + a + "加入购物车")
                a = int(shangpin["牛肉"])
                je+=a
            elif a == "羊肉":
                print ("您将" + a + "加入购物车")
                a = int(shangpin["羊肉"])
                je+=a
            else:
                print(shangpin)
                print (je);
    else:
        print ("输入有误！")