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: [621, -538, 397, 954, -114, 867, 982, -675, -541, -257, 958, 413, 555, -879, 907, -198, 934, 557]

[555]