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: [939, -8, -892, 221, 172, 998, 384, 721, -110, 876, 208, -6, -811, 689, -471]

[939, -8, -6]