Task: Program Execution
Input (English): [-49, 27, -94, -44, 72, -21, 18, 36, -59, -55, -8, 15, -57]
Output (English): [-11.0, -33.5, -69.0, 14.0, 25.5, -1.5, 27.0, -11.5, -57.0, -31.5, 3.5, -21.0]