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: [857, -36, 50, 641, -410, 951, -51, 733, 681, 643, -130, -513, -624, 350, -198, -539, -214, -939, 387, 728, 511]

[-939]