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@k587mama

数字を文字として表示する.to_s メソッド、整数（数字）として表す.to_iメソッド

Posted at

数字を文字として扱いたい場合

数字.to_s

とする

具体的には

20.to_s

to_sの「S」はstring(文字列)の「S」より

数字を数字として扱う場合

数字.to_i

to_iの「i」はinteger（整数）の　「I」

また

#{数字}

とすると文字列の中にそのまま使うことができる

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