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: [-861, -621, -808, -818, -173, -336, 609, -54, -90, -256, -251, 190, 322, -958, -163, 510, 423, 310, 343, 598, 235, -638, 689]

[-808, -818, 343]