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: [646, -100, 432, 879, 593, -953, -908, -30, 881, 655, -801, -896, -849, -465, -947, 752, -631, 208, -249, -775, 124, -880]

[646]