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: [972, 822, -466, -654, 135, -378, 633, -420, 635, 3, -153, -591, 101, -638, -355]

[3, 101]