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: [59, -64, -32, 17, -11, 56, 91, -44, 86, -59, -3, -8, 62, -66, 1]

SOLUTION: [-2.5, -48.0, -7.5, 3.0, 22.5, 73.5, 23.5, 21.0, 13.5, -31.0, -5.5, 27.0, -2.0, -32.5]

PROBLEM: [-7, 95, -59, -100, -98, -7, 50, 93, 59, -78, 31, -79]

SOLUTION: [44.0, 18.0, -79.5, -99.0, -52.5, 21.5, 71.5, 76.0, -9.5, -23.5, -24.0]

PROBLEM: [-69, 88, -36, 87, -95, 14, -76, -61, -37, -47, 53]

SOLUTION:
[9.5, 26.0, 25.5, -4.0, -40.5, -31.0, -68.5, -49.0, -42.0, 3.0]