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: [-449, -846, 198, -449, 746, -211, 374, -285, 686, 452, -135, 940, 127, 190, -12, -546, 687]

[686]