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: [403, 138, 186, -743, 581, 105, 535, 457, 117, -903, -837, 691, -79, 187, 242, -250, -564, 98, -168, 268, 34, 183, 494, -939]

[535, 242, 494, -939]