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: [657, -651, 502, -796, 593, -467, 991, -420, -426, -927, -813, -107, 120, 384, 569, 745, 58, 201, -102, 153, -100, 249, -21]

[]