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: [558, -612, 621, -756, 430, 78, 617, 224, -323, -860, -372, 489, -447, 737, -509, 125, -414, 466, -139, -943, -232, 818]

[-323, 737, -414, -232, 818]