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: [-905, -133, 867, 639, 477, 355, 243, 502, -790, 606, -197, 556, 365, -516, -19, -251, -165, -578, 843, 475]

[606]