Task: Program Execution
Input (English): [1, 2, -99, 97, -48, -60, 13, 35, 40, 61, 93, -7]
Output (English): [1.5, -48.5, -1.0, 24.5, -54.0, -23.5, 24.0, 37.5, 50.5, 77.0, 43.0]