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: [-280, -227, -454, 803, 453, -167, -929, 805, 873, -939, -618, 374, -857, -460, 311, -887, 841, 684, 668, 816]

[-454, -929, -939]