Python列表编程练习题

productlist=["手机","电脑","鼠标垫"]
x=int(input())
if x==1:
    print('请输入商品')
    s=input()
    productlist.append(s)
elif x==2:
    print(productlist)
elif x==3:
    print('请输入查看的第i个商品')
    s=int(input())
    print(productlist[s])
elif x==4:
    print('请输入删除的第i个商品')
    s=int(input())
    del listname[s]
elif x==5:
    print('请输入商品')
    s=input()
    for i in range(len(productlist)):
        if productlist[i]==s:
            print(i)
elif x==6:
    print('请输入删除的商品')
    s=input()
    for i in range(len(productlist)):
        if productlist[i]==s:
            productlist.pop(i)