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: [29, -477, 421, 728, -236, -459, 855, -675, -836, -840, 752, -17, -666, -404, -280, -870, -221, 879, 762, -966, -627, -732, -811]

[-666, -404]