python学习心得-第一天-作业

2023-01-31 02:01:06 python 学习心得

python学习第一天作业

作业1

  1. 用户输入帐号密码进行登陆

  2. 用户信息保存在文件内

  3. 用户密码输入错误三次后定用户

代码:

#__author__ = 'leslie'
#-*-coding:utf-8-*-
#
#1. 用户输入帐号密码进行登陆
#2. 用户信息保存在文件内
#3. 用户密码输入错误三次后锁定用户

import os
import sys

pass_list = open("leslie.txt","r")#预先填写,格式为 姓名:密码
drop_list = open ("caosubo.txt","r")
name_list = []
clock_list =[]
name_dict = {}

for i in pass_list:#将白名单中的信息读取,存储到列表中
    name,passWord = i.strip('\n').split(':')
    name_list.append(name)
    name_dict[name] = password
pass_list.close()

for i in drop_list:#将黑名单的信息读取,存储到列表中
    clock_list.append(i.strip('\n'))
drop_list.close()

count = 0
username = input("Please input your name:")



if username in clock_list:
    print ("Sorry ,you are in blacklist")
    sys.exit()
else:
    if username in name_dict:
        for count in range(10):
            if  count < 3:
                passwd = input("Please input your passwd:")
                if passwd == name_dict[username]:
                    print ("Welcome!".center(40,'-'))
                    break
                else:
                    print ("Sorry,your passwd is worry!")
                    count +=1
                    continue
        if  count > 3:
            print ("Your name is blacklist")
            f = open('caosubo.txt','a')
            f.write(username + '\n')
            f.close()
            sys.exit()
    else:
        print ("Sorry ,your name is not in")
        sys.exit()

作业2

三级菜单:

  1. 运行程序输出第一级菜单

  2. 选择一级菜单某项,输出二级菜单,同理输出三级菜单

  3. 菜单数据保存在文件中

代码:

/#__author__ = 'leslie'
#-*- coding = utf-8 -*-


import sys
import shop

shop_list = shop.shop_list
exit_flag = False
the_choice = []

while exit_flag is not True:
    for i in shop_list:
        print (i)
    choice1 = input ("Please input your choice:")
    if choice1 in shop_list:

        for a in shop_list[choice1]:
            print (a)
        choice2 = input ("Please input your choice2:")
        if choice2 in shop_list[choice1]:

            for c in shop_list[choice1][choice2]:
                print (c)
            choice3 = input ("Please input your choice3:")
            if choice3 in shop_list[choice1][choice2]:

                the_choice.append(choice3)
            elif choice3 == 'b':
                continue
            elif choice3 == 'q':
                exit_flag = True
            else:
                print ("No your choice")
                continue
        elif choice2 == 'b':
            continue
        elif choice2 == 'q':
            exit_flag = True
        else:
            print ("No your choice")
            continue
    elif choice1 == 'b':
        continue
    elif choice1 == 'q':
        exit_flag = True
        print (the_choice)
        break
        sys.exit()
    else:
        print ("No your choice")
        continue

作业3

购物车:

  1. 商品信息- 数量、单价、名称

  2. 用户信息- 帐号、密码、余额

  3. 用户可充值

  4. 购物历史信息

  5. 允许用户多次购买,每次可购买多件

  6. 余额不足时进行提醒

  7. 用户退出时 ,输出档次购物信息

  8. 用户下次登陆时可查看购物历史

  9. 商品列表分级显示

代码:

#__author__ = 'leslie'
#-*- condig=utf-8 -*-

#购物车:
#1. 商品信息- 数量、单价、名称
#2. 用户信息- 帐号、密码、余额
#3. 用户可充值
#4. 购物历史信息
#5. 允许用户多次购买,每次可购买多件
#6. 余额不足时进行提醒
#7. 用户退出时 ,输出档次购物信息
#8. 用户下次登陆时可查看购物历史
#9. 商品列表分级显示

import os
import sys

name_list = {
    'caosubo':['123456','9999'],'leslie':['2345','8888']
}
shop_list = ['家用电器','日用百货','服装鞋帽']

dianqi = ['电视','洗衣机','电冰箱']
yiyongbaihuo = ['洗衣粉','卫生纸','牙膏']
cloth = ['男装','女装','童装']

tv = [('创维',3000),('乐视',4000)]
washer = [('海尔',5000),('小天鹅',4500)]
icebox = [('海尔',6000),('格力',5500)]
detergent = [('雕牌',10),('立白',8)]
bumf = [('维达',15),('心相印',15)]
toothpaste = [('中华',12),('黑人',15)]
cloth_man = [('杉杉',200),('七匹狼',500)]
cloth_woman = [('普拉达',5000),('迪奥',10000)]
cloth_child = [('小天才',500),('巴拉巴拉',600)]

a = {'家用电器':dianqi,'日用百货':yiyongbaihuo,'服装鞋帽':cloth}
b = {'电视':tv,'洗衣机':washer,'电冰箱':icebox,'洗衣粉':detergent,'卫生纸':bumf,'牙膏':toothpaste,'男装':cloth_man,'女装':cloth_woman,'童装':cloth_child}

shop_car = {}
exit_flag = False
count = 0

while exit_flag is not True:
    if count < 3:
        username = input("请输入你的姓名:")
        password = input("请输入密码:")
        if username in name_list:
            passwd = name_list[username][0]
            salary = int(name_list[username][1])
            if password == passwd:
                f = open(username,'a')
                print ("Welcome".center(40,'-'))
                print ("您的账户余额为:%s"%salary)
                money = input ("确定是否充值,输入金额,否请输入n:")
                if money.isdigit():
                    money = int(money)
                    salary = salary + money
                    print ("你的余额为%s:"%salary)
                    break
                elif money == 'n':
                    break
                else:
                    print ("请重新输入!")
            else:
                print ("您的密码有误!请重新输入:")
                count += 1
        else:
            print ("尚未注册")
            count += 1
    else:
        exit()
while exit_flag is not True:
    print ("商品分类".center(40,'-'))
    for item in enumerate(shop_list):
        print (item)
    first_choice = input ("请输入你的选择:")
    if first_choice.isdigit() :
        first_choice = int(first_choice)
        if first_choice < len((shop_list)):
            shop1 = a[shop_list[first_choice]]
            print ("商品分类".center(40,'-'))
            for item in enumerate(shop1):
                print (item)
            second_choice = input ("请输入你的选择:")
            if second_choice.isdigit():
                second_choice = int(second_choice)
                if second_choice < len(shop1):
                    shop2 = b[shop1[second_choice]]
                    print ("商品分类".center(40,'-'))
                    for item in enumerate(shop2):
                        print (item)
                    third_choice = input ("请输入你的选择:")
                    if third_choice.isdigit():
                        third_choice = int(third_choice)
                        if third_choice < len(shop2):
                            shop_choice = shop2[third_choice][0]
                            number = input ("购买数量:")
                            if number.isdigit():
                                number = int(number)
                                if number > 0:
                                    shop_price = shop2[third_choice][1]*number
                                else:
                                    print ("您的输入有误!")
                            else:
                                print ("您的输入有误!")
                            if salary > shop_price:
                                salary = salary -  shop_price
                                shop_car[shop_choice] = number
                                print (shop_car)
                            else:
                                print ("你的余额不足!")
                                input_money = input ("需要充值吗?请输入金额或是q退出:")
                                if input_money.isdigit():
                                    input_money = int (input_money)
                                    salary = salary + input_money
                                    print ("您现在的余额为:%s"%salary)
                                elif input_money == 'q':
                                    pass
                                else:
                                    print ("对不起你输入有误!")
                        else:
                            print ("您的选择有误,请重新选择!")
                    elif third_choice == 'q':
                        print ("欢迎下次光临!".center(40,'-'))
                        print ("您购买的商品如下:%s"%shop_car)
                        print ("您的余额为:%s"%salary)
                        exit_flag = True
                    else:
                        print ("您的输入有误!")
            elif second_choice == 'q':
                print ("欢迎下次光临!".center(40,'-'))
                print ("您购买的商品如下:%s"%shop_car)
                print ("您的余额为:%s"%salary)
                exit_flag = True
            else:
                print ("您的输入有误!")
    elif first_choice == 'q':
        print ("欢迎下次光临!".center(40,'-'))
        print ("您购买的商品如下:%s"%shop_car)
        print ("您的余额为:%s"%salary)
        exit_flag = True
    else:
        print ("您的输入有误!")

#将购物车信息存储在已用户名命名的文件中
f = open(username,'a')
bb = str(shop_car)
f.write(bb + '\n')
f.close()

作业4

HAproxy配置文件操作:

  1. 根据用户输入输出对应的backend下的server信息

  2. 可添加backend 和sever信息

  3. 可修改backend 和sever信息

  4. 可删除backend 和sever信息

  5. 操作配置文件前进行备份 6 添加server信息时,如果ip已经存在则修改;如果backend不存在则创建;若信息与已有信息重复则不操作

配置文件 参考 Http://www.cnblogs.com/alex3714/articles/5717620.html

代码:

#__author__ = 'leslie'
#{'backend': 'www.leslie.com','record':{ 'server': '100.1.7.8' ,'weight': 10,'maxconn': 1000 }}
import shutil

#选项菜单
def choice():
    print ("Welcome".center(40,'#'))
    choice_list = ["1.查询","2.添加","3.删除","4.修改","q.退出"]
    print (choice_list)

#文件备份
def copy():
    shutil.copyfile('haproxy','haproxy.txt')

#查询
def query(backend):
    flag = False
    query_list = []
    with open ('haproxy','r',encoding="utf-8") as file:
        for line in file:
            if line.strip() == 'backend %s'% backend:
                flag = True
                continue
            if line.strip().startswith('backend'):
                flag = False
            if flag and line.strip():
                query_list.append(line.strip())
    return query_list

#内容添加
def add (dict_list):
    dict_list = eval(dict_list)
    backend_name = dict_list.get('backend')
    backend_context = (("backend %s")%backend_name)
    record_name = dict_list["record"]
    record_context = ("server %s %s weight %s maxconn %s"%(record_name['server'],record_name['server'],record_name['weight'],record_name['maxconn']))
    record_list = query(backend_name)
    flag = False
    if  record_list:
        write_flag = False
        with open ('haproxy','r',encoding="utf-8") as file_old ,open ('haproxynew','w',encoding="utf-8") as file_new:
            for line in file_old:
                if line.strip() == backend_context:
                    file_new.write("\n" + line)
                    flag = True
                    continue
                if flag and line.startswith('backend'):
                     flag = False
                if flag:
                    for line_new in record_list:
                        if not write_flag:
                            file_new.write(line_new)
                            write_flag = True
                else:
                    file_new.write(line)
    else:
         with open ('haproxy','r',encoding="utf-8") as file_old ,open ('haproxynew','w',encoding="utf-8") as file_new:
             for line in file_old:
                 file_new.write(line)
             file_new.write("\n" + backend_context + "\n")
             file_new.write(" "*8 + record_context +"\n")
             flag = True
    if flag is  True:
        shutil.move('haproxynew','haproxy')

#内容删除
def delete (dict_list):
    dict_list = eval(dict_list)
    backend_del = dict_list['backend']
    record_del = dict_list['record']
    backend_context = ('backend %s'%backend_del)
    record_context = ("server %s %s weight %s maxconn %s"%(record_del['server'],record_del['server'],record_del['weight'],record_del['maxconn']))
    query_list = query(backend_del)
    if not query_list:
        return
    else:
        if record_context not in query_list:
            print ("IT is not in it ")
            return
        else:
            query_list.remove(record_context)
        with open ('haproxy','r',encoding="utf-8") as file_old ,open ('haproxynew','w',encoding="utf-8") as file_new:
            flag = False
            write_flag = False
            for line in file_old:
                if line.strip()== backend_context:
                    file_new.write(line)
                    flag = True
                    continue
                if flag and line.startswith('backend'):
                    flag = False
                if flag:
                    if not write_flag:
                        print (query_list)
                        for line in query_list:
                            file_new.write("%s%s\n"%(""*8,line))
                        write_flag = True
                else:
                    file_new.write(line)
        if flag is  True:
            shutil.move('haproxynew','haproxy')

#内容修改
def change (dict_list):
    dict_list = eval(dict_list)
    backend_name = dict_list.get('backend')
    backend_context = (("backend %s")%backend_name)
    record_name = dict_list["record"]
    record_context = ("server %s  weight %s maxconn %s"%(record_name['server'],record_name['weight'],record_name['maxconn']))
    record_context_new =["server %s  weight %s maxconn %s"%(record_name['server'],record_name['weight'],record_name['maxconn'])]
    record_list = query(backend_name)
    record_list_new = str(record_list)
    flag = False
    if not record_list:
        with open ('haproxy','r',encoding="utf-8") as file_old ,open ('haproxynew','w',encoding="utf-8") as file_new:
            for line in file_old:
                file_new.write(line)
            file_new.write("\n" + backend_context +"\n")
            file_new.write(" "*8 + record_context +"\n")
            flag = True
    if record_list:
        with open ('haproxy','r',encoding="utf-8") as file_old ,open ('haproxynew','w',encoding="utf-8") as file_new:
            for line in file_old:
                file_new.write(line)
                if line.strip() == backend_context:
                    if record_list == record_context_new:
                        print ("It is in now".center(40,"#"))
                        continue
                    else:
                        for line in file_old:
                            if line.strip().startswith('server'):
                                line = (" "*8 + record_context + "\n")
                                file_new.writelines(line)
                                file_new.flush()
                                flag = True

    if flag is True:
        shutil.move('haproxynew','haproxy')


flag = False
while flag is not True:
    choice()
    choice_list = input ("Please input your choice:").strip()
    if choice_list.strip() == '1':
        copy()
        backend_name = input ("Please input backend:").strip()
        result = query(backend_name)
        print (result)
    elif choice_list.strip() == '2':
        copy()
        backend_list_dict = (input("Please input your backend:").strip())
        add(backend_list_dict)
    elif choice_list.strip() == '3':
        copy()
        backend_list_dict = (input("Please input your backend:").strip())
        delete(backend_list_dict)
    elif choice_list.strip() == '4':
        copy()
        backend_list_dict = (input("Please input your backend:").strip())
        change(backend_list_dict)
    elif choice_list.strip() == 'q':
            print ("GoOD BYE".center(40,'#'))
            flag = True
            exit('quit')
    else:
        print ("Sorry what is your input is error")

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