python 學習第三天(簡單購物系統)2018.2.20

標籤：choice   iphone   auth   number   第三天   book   false   sys   author   

#_author_:"Bushii"#data:2018/2/20print("*******************************")print("Welcome to the shopping system.")print("*******************************")money=int(input("Money:"))a=[5800,9000,30,80,1500]flag=Truewhile flag:    print("1.iphone 7:",a[0])    print("2.mac book:",a[1])    print("3.coffee:",a[2])    print("4.python book:",a[3])    print("5.bicyle:",a[4])    choice=int(input("You want to buy?Please enter number of commodity:"))    if choice==1:        if a[choice-1]>money:            print("餘額不足,還差",a[choice-1]-money)        else:            money-=a[choice-1]            print("加入購物車成功,餘額還有",money)    elif choice==2:        if a[choice-1]>money:            print("餘額不足,還差",a[choice-1]-money)        else:            money-=a[choice-1]            print("加入購物車成功,餘額還有",money)    elif choice==3:        if a[choice-1]>money:            print("餘額不足,還差",a[choice-1]-money)        else:            money-=a[choice-1]            print("加入購物車成功,餘額還有",money)    elif choice==4:        if a[choice-1]>money:            print("餘額不足,還差",a[choice-1]-money)        else:            money-=a[choice-1]            print("加入購物車成功,餘額還有",money)    elif choice==5:        if a[choice-1]>money:            print("餘額不足,還差",a[choice-1]-money)        else:            money-=a[choice-1]            print("加入購物車成功,餘額還有",money)    while True:        id_yesno=input("是否繼續購物[y/n]?")        if (id_yesno == ‘n‘):            flag = False            print("你的餘額還剩",money)            print("歡迎下次光臨!")            break        elif(id_yesno==‘y‘):            flag=True            break        else:            print("Please enter y/n, other I don‘t understand")

　　

python 學習第三天(簡單購物系統)2018.2.20