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: [-629, -78, -626, -538, 246, -663, 581, 479, 509, 253, 113, -903, 932, 627, 531, -472, 245, 4, -39]

[-626, 4]