In ML

Exercise 4 Write a function min3 of type int * int * int -> int that returns the smallest of three integers. Exercise 5 Write a function reds of type 'a * 'b.' -> 'a * c that converts a tuple with three elements into one with two by eliminating the second element Exercise 6 Write a function thirds of type string -> char that returns the third character of a string. Your function need not behave well on strings with lengths less than 3. Exercise 7 Write a function eyelel of type 'a list -> 'a list whose output list is the same as the input list, but with the first element of the list moved to the end. For example, cyclei (1,2,3,4) should return (2,3,4,1)