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ruby 在线工具

#!/usr/bin/ruby
# -*- coding: UTF-8 -*-

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