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.
[85, 547, -430, 408, 848, 789, 80, 451, 670, 190, 623, 299, -329, -7, -78, -539]