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.
[-61, -937, 100, -154, -897, 352, 65, 516, 904, 139, 985, -190, -579, 266, -967, -541, 529, 670, 324, 670, -778, 31]