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: [274, -236, 948, 991, -55, 399, -631, -474, -774, -439, 818, 874, 751, -651, 473, -247, 977]

[-55, -474, 818]