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: [-730, 450, 856, -138, 544, 258, 705, -36, -416, -7, 984, -3, -743, -403, 121, 394, -81]

[-7, -3, 121]