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: [551, 419, -326, 392, 489, -836, 36, 120, 576, -763, -249, 183, 4, -817, -787, 932, 798, -994]

[4, -787]