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: [218, 464, -398, -490, -424, -739, 579, -565, 435, 823, -867, 369, -794, 641, 515]

[464, -424, -565, 515]