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並前往https://www.quora.com/In-Ruby-how-do-I-write-a-method-that-will-reverse-a-string-less-than-4-letters-or-return-it-as-is

In Ruby, how do I write a method that will reverse a string less ...

This will return the reversed string if length is less than 4. Else, it will simply return the string as-is.

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