[Python知识库]Python爬虫编程基础5天速成——P7，P8

1.代码



1.1 增


1.2 删

1.3 改

1.4 查

1.5 列表的各种操作

1.6 列表的嵌套打印方法：

1.7 分配老师：
1.8 作业

products=[["iphone",6888],["MacPro",14800],["小米6",2499],["iPad",3999],
          ["coffee",31],["book",60],["Nike",699],["李宁男鞋",229]]
buy=[]#购物车
print("-"*30+"商品列表"+"-"*30)
number=0
for i in products:
    number=number+1
    print(number,end='\t')
    for j in i:
        print(j,end='\t')
    print()

i=0
while i==0:
    num=input("请输入你想购买的商品:")
    if num=='q':
        break
    nums=int(num)
    buy.append(products[nums-1])

print("-"*30+"购物列表"+"-"*30)
number=0
for i in buy:
    number=number+1
    print(number,end='\t')
    for j in i:
        print(j,end='\t')
    print()