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: [9, -210, -504, -801, 784, -964, 691, -893, 538, 999, -764, 59, -406, -275, 452, 269, -525, 199]

[9, 999, -525]