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: [540, -934, 392, 666, -117, -355, 281, -463, 312, -253, 117, 714, 569, 667, 432, -140, -242, 413, -148]

[666, -242]