Task: Program Execution
Input (English): [-50, -65, -76, -20, 58, 48, -83, -6, -59, 76, -30, -85]
Output (English): [-57.5, -70.5, -48.0, 19.0, 53.0, -17.5, -44.5, -32.5, 8.5, 23.0, -57.5]