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: [-1000, 520, 671, 606, -353, 824, -644, -857, 39, -655, -663, -524, 477, -204, 549, -921, 341, -946, -26, -459, 333]

[606, -353, 333]