Define a function single 'a list list -> 'a list which takes as input, a list...

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Define a function single 'a list list -> 'a list which takes as input, a list of lists, and returns a list of an original elements in the same order in which they appear in the argument. Examples: single [] = [] single [[]] = [] single [[1,2], [1, 3, 4], [], [5], [6,7]] single [["a"],["b", "c"]] ["a", "b", "c"]] = = [1,2,1,3,4,5,6,7] Define a function single 'a list list -> 'a list which takes as input, a list of lists, and returns a list of an original elements in the same order in which they appear in the argument. Examples: single [] = [] single [[]] = [] single [[1,2], [1, 3, 4], [], [5], [6,7]] single [["a"],["b", "c"]] ["a", "b", "c"]] = = [1,2,1,3,4,5,6,7]

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let rec single lst match lst with hd tl hd single tl Examples let example1 sin... View the full answer