回答編集履歴
1
追記
test
CHANGED
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@@ -12,4 +12,6 @@
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12
12
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13
13
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```
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14
14
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15
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-
[https://paiza.io/projects/ywocFN_SSjiw7-xzBn4cXA?language=ruby](https://paiza.io/projects/ywocFN_SSjiw7-xzBn4cXA?language=ruby)
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15
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+
実行結果：[https://paiza.io/projects/ywocFN_SSjiw7-xzBn4cXA?language=ruby](https://paiza.io/projects/ywocFN_SSjiw7-xzBn4cXA?language=ruby)
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16
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+
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17
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+
emptyメソッド：[https://docs.ruby-lang.org/ja/latest/method/Array/i/empty=3f.html](https://docs.ruby-lang.org/ja/latest/method/Array/i/empty=3f.html)
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