1.利用map()函数，把用户输入的不规范的英文名字，变为首字母大写，其他小写的规范名字。输入[‘adam’,’LISA’,’barT’],输出:[‘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。
3.
#!/usr/bin/env python #coding:utf-8 shoplist = [] productlist = [('Iphone',5800),('book',158),('bike',1000)] salary = raw_input('Plz input your salary:') if salary.isdigit(): salary = int(salary) while True: for i,v in enumerate(productlist): print i,v num = raw_input('Plz input the num of product:') if num.isdigit(): num = int(num) if num < len(productlist) and num >= 0: product = productlist[num] if product[1] <= salary: shoplist.append(product[0]) salary = salary - product[1] print 'Added %s into shopping cart,balance:%s,'%(p_item[0],salary) else: print 'Balance is not suffcient' else: print 'The num of product is not exist' elif num == 'q': for p in shoplist: print 'Your shopping list is %s' %p print 'Your balance is %s' %salary exit(0) else: print 'ErrorType'测试：
