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: [751, 433, 481, 751, 529, -904, 213, 332, -108, 397, 579, -323, 30, 386, 450, 501]

[-323]