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Language/Type: C# string return
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Write a method named SwapPairs that accepts a string as a parameter and returns a new string such that each pair of adjacent letters will be reversed. If the string has an odd number of letters, the last letter is unchanged. For example, if a string variable s stores "example", the call of SwapPairs(s); should return "xemalpe". If s had been "hello there", the call would produce "ehll ohtree".

Method: Write a C# method as described, not a complete program or class.

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