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: [660, 207, 313, -311, -305, -108, 976, -625, -813, 25, 200, 688, -464, 127, 503, 257, 339, 891, -989, 463, 391, -499, 37]

[313, -464, -989]