Task: Program Execution
Input (English): [-70, 90, -27, -48, -50, -18, -22, -53, -9, -82, -3, -56, -87]
Output (English): [10.0, 31.5, -37.5, -49.0, -34.0, -20.0, -37.5, -31.0, -45.5, -42.5, -29.5, -71.5]