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: [693, -865, 934, -554, 476, -31, -433, 347, 0, -172, -980, -373, 550, 376, -968, 29, 181, -504, -826, 439, -999, 438]

[0, -373, 181, -999]