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: [-99, 653, -513, -172, 615, -464, 48, 539, -807, -11, -679, 272, -95, 139, 368, 463, 319, 821, 399, -629, -404, 572, 799]

[-99, -464, -11, 272, -404]