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: [-638, -395, -902, 840, -480, 326, -403, 768, -91, -992, 898, 773, 780, 724, -901, 749, 740, 339, -487, 403, -436, 765, 621]

[898]