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: [-538, -695, 721, -983, -426, 385, 320, -238, -28, 487, 710, -724, -88, -168, -636, 135, 436, -629]

[-88, -636]