Task: Program Execution
Input (English): [78, 3, 3, 50, 80, -76, -73, -20, -71, -29, -47, 4]
Output (English): [40.5, 3.0, 26.5, 65.0, 2.0, -74.5, -46.5, -45.5, -50.0, -38.0, -21.5]