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: [-340, -425, -728, 164, -19, -600, -942, 678, -654, 780, 438, 960, -621, 38, 693, 31, 359, 770, 6, 72, 593, 435, 440, -838]

[6, -838]