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: [739, -832, -992, 463, 943, 977, 667, -121, 477, 447, 533, -340, 152, -128, -563, 78, -127, -389, -367, 579, 100]

[-121]