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: [499, -691, -88, 665, -340, -67, -811, 268, -926, 906, 340, -436, 55, -198, -272, -698, -895, 721, -388, 570, -492, 940]

[-88, 55, -272]