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: [-840, 159, 597, -743, 631, 903, 596, 901, -27, 960, 111, -576, -263, -956, 59, 6, -945, -684]

[111, 6]