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: [140, -724, 803, 333, -708, 848, 721, 593, -502, 879, 313, 406, -122, 83, -835, 536, -309, -388]

[333, 848, 313]