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.
[-549, 283, -499, 392, -324, 917, -78, 133, -546, 792, -712, 191, -78, 414, 645, -8, 738, 790, 438, 902, 286, -921]