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: [-970, -549, -532, 944, 934, -362, 921, -123, -792, -821, -621, 326, -923, 532, -832, 637, 964, -711, -343, 4, 399, 655, -256]

[-343, 4]