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: [-181, -560, 808, 115, 813, -344, -70, -259, -548, 237, 176, 775, -251, 194, 311, 524, 972, 4]

[-181, 808, 4]