TASK DEFINITION: In this task you are given a list of numbers and you need to find the average of each two consecutive values. The average of two numbers a and b is calculated as: (a + b) /2. The output should be a list of the averages of each two consecutive values. A list is presented with two brackets and comma-separated values, like: [1,2,3].
PROBLEM: [47, -34, 89, -12, -79, -52, -80, 55, 75, -8, 72, -38, 87, 1, -78]

SOLUTION: [6.5, 27.5, 38.5, -45.5, -65.5, -66.0, -12.5, 65.0, 33.5, 32.0, 17.0, 24.5, 44.0, -38.5]

PROBLEM: [82, -83, 7, 85, -54, 44, 42, 3, -71, 95, 59, -77, -32, -7, -96]

SOLUTION: [-0.5, -38.0, 46.0, 15.5, -5.0, 43.0, 22.5, -34.0, 12.0, 77.0, -9.0, -54.5, -19.5, -51.5]

PROBLEM: [41, -38, -33, 81, 65, -32, 19, -10, -75, 80, 43, -34, 18, 87, 76]

SOLUTION:
[1.5, -35.5, 24.0, 73.0, 16.5, -6.5, 4.5, -42.5, 2.5, 61.5, 4.5, -8.0, 52.5, 81.5]

