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: [688, 946, -564, -661, -99, 332, -444, -629, -142, -972, 249, 417, 475, -921, -288, 765, -955, -753, 604]

[-99, -444]