Definition: In this task you will be given a list of integers. You should only return an integer if the first digit is the same as the last digit in the number. If an integer has a single digit, then it should be returned. If there are no integers that start and end with the same digit then an empty list ("[]") should be returned.
Input: [-918, -459, -966, -252, -58, -246, -947, 797, 975, -859, -411, 482, -30, -60, 726, -350, -532, 646, -861]

[-252, 797, 646]