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.
[-21, -68, 808, 138, 540, -548, -984, -293, -416, 476, -397, 394, -358, -438, -696, 80, 985, 472, 286, 457]