Out[5]: ['Adam', 'Lisa', 'Bart']
2.•Python 提供的 sum() 函数可以接受一个 list 并求和,请编写一个 prod() 函数,可以接受一个 list 并利用 reduce() 求积。 In [7]: def prod(x,y): return x*y ...: In [8]: reduce(prod,[1,2,3,4])
Out[8]: 24
3. #!/usr/bin/env python # coding:utf-8 _author_ = "tom" ''' @author:houruiyun @file:2.py @contact:674211605.qq.com @time:6/25/172:45 AM @desc: ''' print ''' Welcome to shoping system 可选择操作 b：购买 q:退出 ''' goods = [ ('iphone',5800), ('book',100), ('bike',200) ] buy = [] for k,v in enumerate(goods): print k,v money = int(raw_input('请输入账户余额：')) while True: oper = raw_input('plsase input your choice:') if oper == 'b': num = input('请选择商品编号：') price = goods[num][1] if money < price: print '账户余额不足' else: money = money - price print '%s to your shoping' % goods[num][0] buy.append(goods[num][0]) print ''' 购买商品：%s 消费金额：%s 账户余额：%s ''' % (buy, price, money) else: exit()
4.登陆系统
