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: [284, 46, -5, 873, 145, 230, -579, -873, -390, 432, -7, -171, 447, 155, -237]

[-5, -7, -171]