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.
[897, 997, 339, -659, 964, 4, -75, -69, -175, -522, -981, 928, 932, -742, 59, -161, -270, 349, -666, -721]