在线商城脚本学循环

# commdity list
commodity = (["iphone" ,9998], ["bicycle", 1299],["coffic",38],["nothing", 1] )
basket = []

# key in your name and salay
name = input("key in your names : ")
salay = int(input("your salay : "))
#buy something
while True :
    i = 0
    print("\n\n")
    for commodity_name in commodity:
        print( str(i) + " : " + commodity[i][0] + str(commodity[i][1]) )
        i +=1

    chose = input("chose your commdity (‘q‘ to quit ): ")# chose commodity
    if chose == ‘q‘ :
        break
        #print(chose)
        #print(type(chose))
        #print(commodity[chose])
    # check money
    chose = int(chose)
    salay = salay -commodity[chose][1]   # delect money
    if salay <= 0:
        print("Your money isn‘t enough to buy " + commodity[chose][0] + " !")
        salay = salay + commodity[chose][1]
        break
    #input commodity to basket
    print("You chose the " + commodity[chose][0])
    if not basket == True :
        commdity_name = ["name", "price", 1]
        commdity_name[0] = commodity[chose][0]
        commdity_name[1] = commodity[chose][1]
        basket.append(commdity_name)
        print(basket)

    j = 0
    for x in basket :
        if x[0] == commodity[chose][0] :
            basket[j][2] +=1

            break
        else:
            commdity_name = ["name", "price", 1]
            commdity_name[0] = commodity[chose][0]
            commdity_name[1] = commodity[chose][1]
            basket.append(commdity_name)
        j += 1
        print(basket)

    #print(basket)
for x in basket :
    print("You bought " + x[0] + " ," + str(x[2]) + "s!")
print(name + ", you have " + str(salay) + " dollor now!")
print("Welcome next time!")

__author__ = "Alex Li"


product_list = [
    (‘Iphone‘,5800),
    (‘Mac Pro‘,9800),
    (‘Bike‘,800),
    (‘Watch‘,10600),
    (‘Coffee‘,31),
    (‘Alex Python‘,120),
]
shopping_list = []
salary = input("Input your salary:")
if salary.isdigit():
    salary = int(salary)
    while True:
        for index,item in enumerate(product_list):
            #print(product_list.index(item),item)
            print(index,item)
        user_choice = input("选择要买嘛？>>>:")
        if user_choice.isdigit():
            user_choice = int(user_choice)
            if user_choice < len(product_list) and user_choice >=0:
                p_item = product_list[user_choice]
                if p_item[1] <= salary: #买的起
                    shopping_list.append(p_item)
                    salary -= p_item[1]
                    print("Added %s into shopping cart,your current balance is \033[31;1m%s\033[0m" %(p_item,salary) )
                else:
                    print("\033[41;1m你的余额只剩[%s]啦，还买个毛线\033[0m" % salary)
            else:
                print("product code [%s] is not exist!"% user_choice)
        elif user_choice == ‘q‘:
            print("--------shopping list------")
            for p in shopping_list:
                print(p)
            print("Your current balance:",salary)
            exit()
        else:
            print("invalid option")

    if not basket == True :

names = ["张真","刘德华","哈林","谢霆锋","张柏芝"]
i = 0
for name in names :
    print(  "names : " + name)  #打印名字
    print(i)                   #第一种下标打印方式
    print(names.index( name )) #第二种下标打印方式
    x = names.index(name)      #下标提取方式
    print( "xiabiao " + str(x))
    i += 1

for index,item in enumerate(names):
　　print(names.index(item),item)
　　print(index,item)

product_list = [
    (‘Iphone‘,5800),
    (‘Mac Pro‘,9800),
    (‘Bike‘,800),
    (‘Watch‘,10600),
    (‘Coffee‘,31),
    (‘Alex Python‘,120),
]

commodity = (["iphone" ,9998], ["bicycle", 1299],["coffic",38],["nothing", 1] )

if i.isdigit():
    i = int( i )