LeetCode 389. Find the Difference in F#

URL https://leetcode.com/problems/find-the-difference/description/?envType=daily-question&envId=2023-09-25 Code https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/challenge/202309/find_the_difference/main.fsx let findTheDifference (s:...