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: [880, 64, -434, -73, -158, -313, 453, 919, 800, 88, -940, 343, 812, 246, 621]

[-434, -313, 919, 88, 343]