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: [247, -693, 668, -29, -203, -164, -410, 48, -249, 609, 454, 21, -457, 568, 396, -683]

[454]