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: [547, -55, 690, -697, -622, 147, -725, 406, -347, -838, -487, -25, -574, -455, 310, -747, -904, -940, 726, 852]

[-55, -838, -747]