Please write in SML (notepad++)

1. Write a function dupList of type 'a list -> 'a list whose output list is the same as the input list, but with each element of the input list repeated twice in a row. For example, if the input list is [1, 3, 2], the output list should be [1, 1, 3, 3, 2, 2]. If the input list is [ ], the output list should be [ ].

2.Write a function multpairs of type (int * int) list -> int list that takes a list of pairs of integers and returns a list of the products of each pair. For example, if the input is [(1,2) , (3,4)], your function should return [2, 12]