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: [187, -222, 378, 372, -526, 57, -358, 95, -28, 720, 625, -287, 308, -497, 305, 465, 351, -295, 683, 810, 121]

[-222, 121]