3-day3-list-truple-map.py

#! /usr/bin/env python# -*- coding: utf-8 -*-# __author__ = "w.z"# Date: 2017/6/8# 1. 元素分类# 有如下值集合 [11,22,33,44,55,66,77,88,99,90...]，将所有大于 66 的值保存至字典的第一个key中，将小于 66 的值保存至第二个key的值中。# 即： {'k1': 大于66的所有值, 'k2': 小于66的所有值}  map1 = {
   'k1': '', 'k2': ''} list1 = [11, 22, 33, 44, 55, 66, 66, 77, 88, 99, 90] list2 = [] list3 = [] for i in list1:     if i < 66:         list2.append(i)     else:         list3.append(i) map1 = {
   'k1': list2, 'k2': list3} print(map1)  # 2. 查找# 查找列表中元素，移除每个元素的空格，并查找以 a或A开头 并且以 c 结尾的所有元素。#     li = ["alec", " aric", "Alex", "Tony", "rain"]#     tu = ("alec", " aric", "Alex", "Tony", "rain")#     dic = {'k1': "alex", 'k2': ' aric',  "k3": "Alex", "k4": "Tony"}  li = ["alec", " aric", "Alex", "Tony", "rain"] li_new = [] for i in li:     i = i.strip()     li_new.append(i) li = li_new for i in li:     if i.startswith('a') or i.startswith('A') and i.endswith('c'):         print(i)  tu = ("alec", " aric", "Alex", "Tony", "rain") tu_list = list(tu) for i in tu_list:     if i.strip().startswith('a') or i.strip().startswith('A') and i.strip(' ').endswith('c'):         print(i.strip())  dic = {
   'k1': "alex", 'k2': ' aric',  "k3": "Alex", "k4": "Tony"} for i in dic.values():     if i.startswith('a') or i.startswith('A') and i.endswith('c'):         print(i.strip())  # 3. 输出商品列表，用户输入序号，显示用户选中的商品# 商品 li = ["手机", "电脑", '鼠标垫', '游艇']  li = ["手机", "电脑", '鼠标垫', '游艇'] num_goods = {} for i in range(0, len(li)):     print(i+1, li[i])     num_goods[i+1] = li[i] num = input('Please input your choice (1-%s): ' % len(li)) mun_1 = int(num) - 1 print(num_goods[int(num)])   # 4 购物车# 功能要求：# 要求用户输入总资产，例如：2000# 显示商品列表，让用户根据序号选择商品，加入购物车# 购买，如果商品总额大于总资产，提示账户余额不足，否则，购买成功。# 附加：可充值、某商品移除购物车# goods = [#     {"name": "电脑", "price": 1999},#     {"name": "鼠标", "price": 10},#     {"name": "游艇", "price": 20},#     {"name": "美女", "price": 998},# ]   goods = [     {
   "name": "电脑", "price": 1999},     {
   "name": "鼠标", "price": 10},     {
   "name": "游艇", "price": 20},     {
   "name": "美女", "price": 998}, ] list_store = [] goods_map = {} goods_price = {} total = 0 sum1 = input('Please input your money: ') i = 1 print('There are some goods for you to choice: ') for items in goods:     print(i, items['name'])     goods_map[i] = items['name']          # 此处生成一个 序列和商品的字典     goods_price[items['name']] = items['price']        #此处生成一个 商品和价格的字典     i += 1 print('商品价格： ', goods_price) tag = Truewhile tag:     choice = input('Please input your choice num (q quit,d del): ')     if choice != 'q' and choice != 'd':         list_store.append(str(goods_map[int(choice)]))         print(list_store)     elif choice == 'd':         tt = Truewhile tt:             nn = input('购物车清单,请输入要删除的对象(1-n) q退出：')             if nn != 'q':                 list_store.pop(int(nn) - 1)                 print(list_store)             else:                 breakelif choice == 'q':         print(list_store)         breakfor x in list_store:     total += goods_price[x] if total < int(sum1):     print('商品总价格 %s ，购买成功' % total) else:         print('购买失败，余额不足')   # 选做题：用户交互，显示省市县三级联动的选择## dic = {
   #     "河北": {
   #         "石家庄": ["鹿泉", "藁城", "元氏"],#         "邯郸": ["永年", "涉县", "磁县"],#     }#     "河南": {
   #         ...#     }#     "山西": {
   #         ...#     }## }