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: [599, -830, -652, -270, 36, -440, 915, -16, 647, -672, -639, 906, 974, 196, 106, -664, -991, -464, 464]

[-464, 464]