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: [194, 114, 993, 214, -121, -286, -687, 367, 484, -109, 510, -712, -972, 354, -515, 317, -903]

[-121, 484, -515]