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: [-710, 507, 43, 869, -733, 67, 515, -790, 427, -401, -98, 726, 31, 765, 146, 529, -228, 405, -625, -593, -80, -697]

[515]