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: [-102, 251, -289, -521, 910, 519, 624, -6, -606, -135, 486, 687, -524, -46, -865, 482, -939, 661]

[-6, -606, -939]