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.
[921, -802, 275, -798, 510, 657, 817, -821, -922, 621, 203, 639, -50, -203, 795, 289, -674, -120, 878, 965, 147, -100]