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: [531, -309, -848, -174, -237, -47, 499, 178, 90, -718, -275, -467, -21, -886, -183, 834, 201, -529, 284, -129, -66, -588, 654, 637]

[-848, -66]