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: [31, -235, 548, 52, 889, -143, 289, -304, -375, -108, -543, -220, 472, -306, -535, -796, 154, 599, -29, 824, 241, -503, 806, 768]

[-535]