guess_answer = 56
count = 0

while count<3:
    guess = int(input("what‘my age,please gusess:"))
    if guess == guess_answer :
        print(‘you got it‘)
        break
    elif guess > guess_answer :
        print(‘Thinking less!!‘)
    else :
        print(‘Thinking lager!!‘)
    count +=1
else:
    print(‘you guess too many‘)

for i in range(3):
    guess = int(input("what‘my age,please gusess:"))
    if guess == guess_answer :
        print(‘you got it‘)
        break
    elif guess > guess_answer :
        print(‘Thinking less!!‘)
    else :
        print(‘Thinking lager!!‘)
else:
    print(‘you guess too many‘)


while count <3:
    guess = int(input("what‘my age,please gusess:"))
    if guess == guess_answer :
        print(‘you got it‘)
        break
    elif guess > guess_answer :
        print(‘Thinking less!!‘)
    else :
        print(‘Thinking lager!!‘)
    count +=1
    if count == 3:
        continue_guess = input(‘Do you want guessing again?‘)
        if continue_guess != ‘n‘:
            count = 0

names = ["dzk","pxm","zd","zm"]
print(names[0])

names.append(23)
print(names)

print(names[1:2])

print(names[-3:-1])

import yaml                         #导入yaml模块
f = open(‘shoping_list‘,"rb")
goods_dict = yaml.load(f)            #利用yaml模块将信息文件转为商品列表
print(goods_dict)

dict_user = {}                       #定义老用户名单字典
file =open("user","r",encoding="utf-8")
for line in file:
    key,vaule = line.strip().split(":")
    dict_user[key] = vaule            #将老用户文件内容转成字典
file.close()

buy_list = []                         #定义已购商品列表
dict_olduser_info = {}                            #定义老用户已购买信息

print("wlecome to shoping mall")               #输出欢迎信息
username = input("please input your name>>>")
password = input("please input your password>>>")

def exit_shoping():                                   #定义程序退出函数
    print("--------you have bought \033[32;1m %s\033[0m-------" % buy_list)
    exit()

def shoping(user_wage):                                #定义用户购买商品程序函数，方便是老用户的调用
    while True:
        print(goods_dict)
        number = input("please chose the number(q to exit):")
        if number.isdigit():                              #判断用户输入的商品编号是否是数字
            buy_number = int(number)
            if buy_number in goods_dict:                      #判断用户输入的商品编号是否存在
                if user_wage >= goods_dict[buy_number][1]:    #用户的工资够买商品
                    user_wage -= goods_dict[buy_number][1]
                    buy_list.append(goods_dict[buy_number][0])
                    print("you chose \033[32;1m %s \033[0m,you left \033[32;1m %s \033[0m" %(goods_dict[buy_number][0],user_wage))
                else:
                    print("you haven‘t enough money")       #用户工资不够买
                    exit_shoping()
            else:
                print("The goods list don‘t have this number")
        elif number == ‘q‘:
            with open("buy_info", "a+", encoding="utf-8") as file2:    #用户退出时，将用户余额存入文件，方便下次调用
                file2.write("\n"+username+":"+str(user_wage))
            with open("user", "a+", encoding="utf-8") as file1:        #用户退出时，将用户名存入文件，方便下次调用
                file1.write("\n"+username+":"+ password )
            exit_shoping()
        else:
            print("wrong number,please input again")

if username not in dict_user:                              #检验用户是新用户
    user_wage = int(input("please input your wage:"))
    shoping(user_wage)
elif username in dict_user:                                #用户是老用户
    with open("buy_info", "r+", encoding="utf-8") as file3:
        for line in file3:
            key, vaule = line.strip().split(":")
            dict_olduser_info[key] = vaule
    left_wage = int(dict_olduser_info[username])
    print("you have \033[32;1m %s \033[0m money"%(dict_olduser_info[username]))
    shoping(left_wage)