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: [582, 201, -218, -252, -458, 807, -230, -388, 20, -509, -784, 447, -294, -393, -457, 343, -963, 184, 541, 631]

[-252, -393, 343]