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: [724, 577, 188, -828, -879, -189, -581, -607, -235, 545, 597, 356, -502, 943, -497, -341, 643, 236, 801, -574, 741, -176, -121]

[-828, 545, -121]