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: [-520, 677, -204, 202, 977, 518, -292, 747, -988, 457, -250, -802, -961, 527, 102, -215, 290, -79, 550, 321, 302, 646, -233]

[202, -292, 747, 646]