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: [251, -663, 110, 687, -389, 35, 495, -451, 377, -347, 72, -564, 49, -841, 422, -166, -616, 165, 634]

[-616]