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: [603, 135, 241, -644, 493, -879, 90, 512, -101, -573, 766, -977, -835, -293, 93, -518, 602, 513, -841, -429, -572]

[-101]