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: [312, -122, -917, -601, 811, -619, 398, 312, -108, -987, 78, 964, -260, -739, 20, -308, -317, 486, 661, -71, 537]

[]