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: [-518, 980, 616, -939, 209, -697, -151, 846, 564, -574, 670, 469, -52, -750, -580, 835, 62, 37, -389, 335, 323, 848, -131, 640]

[616, -939, -151, 323, 848, -131]