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提交运行
代码编辑器：
# !/usr/bin/ruby -w # -*- encoding:utf-8 -*- # filename: main.rb # author: 简单教程(www.twle.cn) # Copyright © 2015-2065 www.twle.cn. All rights reserved. score = 70 result = case score when 0..40 "糟糕的分数" when 41..60 "快要及格" when 61..70 "及格分数" when 71..100 "良好分数" else "错误的分数" end puts result
运行结果：