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: [597, 388, -307, -971, 681, -431, 96, 911, 286, -215, 980, 218, 329, -164, -17, 263, 318, -494, -554, -546]

[-494]