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: [-557, 640, -927, 164, -641, 686, 587, 834, 237, 415, -607, 10, 210, -917, 239]

[686]