swap2

Given a string, return another string where each pair of letters has been swapped. If there is an odd character, include it. swap2("123456") → "214365" swap2("1234567") → "2143657" swap2("wT orwnosgd not'm ka e airhgt") → "Two wrongs don't make a right" Go...Save, Compile, Run (ctrl-enter) String swap2(String s) { } Go Editor font size %:75100125150 Shorter output

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Difficulty: 200

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