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: [354, 388, 974, 304, -633, 472, -618, 445, 370, -478, -87, 864, -869, 22, -958, -734, -915, -359, 580, 631, -99]

[22, -99]