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: [-135, -817, -552, 403, -468, -817, 904, -800, 82, 88, 881, 622, 560, -252, 643, -108, 400, -944, 997]

[88, -252]