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: [721, 397, 176, -131, 520, 898, 825, 329, -898, 529, 64, -31, -613, 391, -723, 259]

[-131, 898, -898]