Question: In ML programming Language Write a function called swap of type a list -> a list whose output list is the same as the input

In ML programming Language

Write a function called swap of type a list -> a list whose output list is the same as the input list, but with the first two elements of the list swapped. For example: swap ([1,2,3,4]) should return [2,1,3,4] or swap([a,b,c]) should return [b,a,c]

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