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#!/usr/bin/env python

# -*- coding:utf-8 -*-

"""

# 题目三：

# 输出商品列表，用户输入序号，显示用户选中的商品

"""

li = ["手机", "电脑", '鼠标垫', '游艇']

for index, text in enumerate(li, 1):

print(index, text)

inp = input("请选择要购买的商品：")

inp_num = int(inp)

print(li[inp_num-1])