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: [859, -53, 239, -646, -269, 754, -152, 312, -854, 73, -754, -661, 506, -743, -397]

[-646]