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: [299, 283, 186, 526, 646, -203, 48, 546, -74, -200, -909, -790, 207, -892, 384, 29, 494, 908, 318, 55, 170, -38, -154, -723]

[646, -909, 494, 55]