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: [220, -908, 738, 447, -658, 847, 554, 127, -827, -4, 708, -569, 630, -877, -728, 996, -857, -231, -16, 256]

[-4]