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: [-923, -500, -251, -300, 923, 798, -940, 636, 631, 652, 638, 638, 283, -689, -298, -835, -833]

[636]