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: [-921, 134, 779, -242, 335, 916, -422, 507, -82, 273, 830, 675, 933, 488, -112, 468, -671]

[-242]