Task: Program Execution
Input (English): [69, -74, -94, -45, -30, 79, 86, 69, -78, 74, -6, -7]
Output (English): [-2.5, -84.0, -69.5, -37.5, 24.5, 82.5, 77.5, -4.5, -2.0, 34.0, -6.5]