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: [873, -906, 276, 207, -756, -339, -400, 818, -308, -291, -876, -439, 559, -484, 387, -84, -840, 12, 206, 480, -268, -155, 420]

[818, -484]