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: [-623, -845, 511, -97, -345, 435, 174, -76, 365, 108, -421, 466, 270, 220, 216]

[]