Create a function that takes a list lst and a number N and returns a list of two integers from lst whose product equals N.
two_product([1, 2, -1, 4, 5], 20) ➞ [4, 5]
two_product([1, 2, 3, 4, 5], 10) ➞ [2, 5]
two_product([100, 12, 4, 1, 2], 15) ➞ None