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: [172, 728, 456, -651, 196, -153, -910, -701, 157, 791, 163, 121, -406, -752, 163, -863, 71, -548, 553, 29, 471, -577, 918, -629]

[121]