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: [-600, 581, -562, -939, -694, -503, 592, -784, 495, 252, -469, -763, -512, 137, 256]

[-939, 252]