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Ruby / syosu.rb
@SUZUKI Megumi SUZUKI Megumi on 16 Aug 2023 126 bytes 2023-08-16 20:16:43
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#!/usr/bin/env ruby
#-*-coding:utf-8 -*-
print("数字を入れる\n")
pi=gets.to_f
printf("円周率は%5.3fです。\n",pi)