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: [54, -219, 399, 34, -270, -437, 335, -677, -429, 979, -132, 545, -264, 8, -351, -376, -64, -462, 437, -4, -27]

[979, 545, 8, -4]