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: [509, 604, 77, 623, 965, 822, -118, 172, -302, -768, -974, 218, -387, 997, 670, 935, -638, 192, -21, -271, 947, 668]

[77]