Task: Program Execution
Input (English): [-61, -4, 59, 97, 77, 15, 50, -66, 99, 90, -77, 53]
Output (English): [-32.5, 27.5, 78.0, 87.0, 46.0, 32.5, -8.0, 16.5, 94.5, 6.5, -12.0]