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corresponding product number to purchase the product(3) After the user enters the product number, the system detects whether the balance is sufficient, enough direct debit, not enough to prompt(4) You can exit the shopping at any time and print the purchased goods and balancesshopping_list=[]product_list=[[' iphone ', 5800], [' Mac Pro ', 9800], [' Bike ', [+], [' Watch ', 10600], [' Coffee ', 31]]salary=input (' Input your Salary: ') if Salary.isdig

there are many Hybird app tools, how to choose? Which pit is less? Here's an analysis:1 development tools are open source. Eclipse -based :apicloud,WeX52 Popular indices. The following Baidu search results number, can not represent what, at least to represent its popular index Name Number of results Exmobi 62,800 Appcan 611,000 Apicloud 706,000 WeX5 493,000 PhoneGap 9,750,000

ClientApproximate process:The buyer system first enters the buyer's balance, and then the balance in the file determines whether he spent the last time. If there is information, replace the balance of the buyer with the balance calculated in the file, if no informationProve that the customer is the first time to enter the balance with the buyer. It then loops out the product subscript, and the product information. The customer chooses the product by subscript. The selected item will be added to

memory address (pointer) to multi-layer array, import copyAdditional syntax for array copying name2 = name[:] name2 = list (name)name2 = Name.deepcopy (), deep copy, or full multi-layer arrayHomework:1. Let the user enter the salary2. Purchase goods by number3, select the goods, see whether the balance of purchase, enough to deduct money, not enough re-election4, press Q Exit, and the purchase of goods and the balance1Product_list = [2('Iphone', 5800),3('Mac Pro',

#!/usr/bin/Env python#-*-coding:utf-8-*-# Author:DaShuang.Gu" "Requirements:Buyers1. Product information exists in the file2. Purchased goods, Balance records. The first time you start a program, you need to record your salary, and the second time you start the program, the last balance is displayed3. Allow users to purchase items based on their product number4after the user selects the product, the detection is enough, enough on the direct debit, enough to remind5. Can exit at any time, when ex

Requirements:1, write a shopping cart sequence code2. Use the list to store the product list of the mall and save it to the list Shopping_mail3, the shopping cart list is Shopping_cart4, the user first enter the salary amount, judge the input as the number5, the user from the mall shopping list to choose to buy items, each time the purchase of success with wages minus the item unit price6, determine whether the user amount is sufficient, not enough to prompt the user7. If the user does not want

#购物车实例#Author: GE JianProduct_list = [(' iphone ',5800),(' Mac ',9800),(' Bike ',800),(' Watch ',2800),(' Coffee ',58),(' Alex python ',158),]Shopping_list = []Salary =Input"Input Your Salary:")If Salary.isdigit ():Salary =Int (Salary) While True: For Index,itemInchEnumerate (product_list): # Print (Product_list.index (item) +1,item) enumerateUsage Print (Index,item)User_choice =Input"Choose what to buy?>>>: ") If User_choice.isdigit ():User_choice =I

var baiduusers = [], wechatusers = [];var User = function (ID, name, phone, gender, age, salary) {this.id = Id;this.name = Name;this.phone = Phone;this.gender = Gender;this.age = Age;this.salary = salary;}; User.create = function (ID, name, phone, gender, age, salary) {return new User (ID, name, phone, gender, age, salary);} ; Baiduusers.push (user.create (1, ' Tommy ', ' 1111 ', ' male ', 18, 10000)); Baiduusers.push (User.create (2, ' Jerry ', ' 2222 ', ' Male ', 28, 10000)); Baiduusers.push (

Requirements:1. User input after payroll display product List2. Select items by Product number3. Print the list of items and the remaining wages after selecting the itemThe code is as follows:# Coding=utf-8Product_list = [(' iphone ', 5800),(' Mac Pro ', 9800),(' Bike ', 800),(' Watch ', 10600),(' Coffee ', 31),(' Alex python ', 120),]Shopping_list = [] #购物车Salary = input ("Input your Salary:")If Salary.isdigit (): #判断工资是否为数字salary = Int (salary)While

Product_list = [(' iphone ', 8000),(' Mac Pro ', 9800),("Bike", 3000),("Watch", 10000),("Cofee", 30),("book", 100),] #定义商品列表Shoppint_list = [] #购物车空列表While True:Salary = input ("Input you Salary:") #输入预算If Salary.isdigit (): #isdigit integersalary = Int (salary)While True: #循环# for item in Product_list:# Print (Product_list.index (item), item)For Index,item in Enumerate (product_list): #下标做产品编号, enumerate out list subscriptPrint (Index,item) #index下标,

Org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode (namenode.java:1279)At Org.apache.hadoop.hdfs.server.namenode.NameNode.main (namenode.java:1288)Namenode is not formatted!!!Workaround:The reason is that I manually built the/usr/local/hadoop/data and/usr/local/hadoop/namenode, the two directories to remove the reformatting of Namenode.2 WARN org.apache.hadoop.hdfs.server.datanode.DataNode:Invalid directory in Dfs.data.dir:Incorrect permission for/usr /local/hadoop/data, Expected:rw

Program: Shopping Cart ProgramDemand: After you start the program, let the user enter the payroll, and then print the list of items Allow users to purchase items based on their product number After the user selects the product, checks whether the balance is enough, enough on the direct debit, enough to remind You can exit at any time to print the purchased goods and balances when exiting The procedure is as follows:1 #!/usr/bin/env Python32 #-*-coding:utf-8-*-3 #@Time:

author = "Superman"product_list = [(' Iphone ', 5800),(' Mac Pro ', 9800),(' Bike ', +),(' Watch ', 10600),(' Coffee '),(' Alex Python ',]shopping_list = []salary = input ("Input your Salary:")if Salary.isdigit (): #判断工资是不是数字salary = Int (salary) #如果是数字就用Int的数据类型While True: #进入死循环For Index,item in Enumerate (product_list): #打印商品列表#print (Product_list.index (item), item)print (Index,item)User_choice = input ("Choose what you want to buy?") >>>: ")if Us

#author devilfproduct_list= [ ('iphone',5800), ('Mac Pro',9800), ('Bike', -), ('Watch',10000), ('Coffee',123)]shop_list=[]salary= Input ('pls enter your salary:')ifsalary.isdigit (): #判断是否为整形, or exit salary=int(Salary) whileTrue: forIndex,infoinchEnumerate (product_list): #打印列表 # Print (Product_list.index (info), info) print (in Dex,info) User_choice= Input ('pls enter what buy\n>>>:') #输入要购买的商品 numberifuser_choice.isdigit (): #再判断下输入的

the Print(stuff_list) -Choice = Int (input ("Please input the goods number. If you want to quit,please input-1.")) - ifChoice = =-1: - Print("the goods you have bought be%s, and your money was \033[31;1m%s\033[0m left."%(choice_list,salary)) + Break - Else: + ifPrice_list[choice-1] #Compare prices and remaining amounts A Print("Goods%s is in your shopping car"%choice) atSalary-= Price_list[choice-1] -Choice_list.append (stuff_list[choice-1]) -

Enter the salary, get the shopping list, if the amount is enough, put the item in the shopping list, complete the purchase, show the shopping list.Roduct_list = [(' Iphone ', 5800), (' Mac Pro ', 9800), (' Bike ', "+"), (' Watch ', 10600), (' Coffee ', '), (' Pytho n ', +),]shopping_list = []salary = input ("Input your Salary:") if Salary.isdigit (): salary = Int (salary) while True: # for item in Product_list: # print (Product_list.index (ite

Product_list = [("iphone", 5800),("MOC Pro", 9800),("Bike", 800),("Coffee", 31),("Linux book", 80)]Shopping_list =[]Salary = input ("Input your Salary:")ifSalary.isdigit ():# used to determine if the input string is a number form true if yessalary = Int (salary)While True:# for item in Product_list: #for item in range product_list: wrong spelling# Way One: print (Product_list.index (item), item) #通过 Index to display its subscript for the product numbe