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: [940, 201, 777, 725, -48, 302, 61, 8, 727, -820, -215, -107, 284, 78, 707, 540, 728, 621]

[777, 8, 727, 707]