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: [91, -52, -63, 41]

SOLUTION: [19.5, -57.5, -11.0]

PROBLEM: [79, 47, 14, -83, 40, -45, 53, -60, 10, 34, 84, 79, -29]

SOLUTION: [63.0, 30.5, -34.5, -21.5, -2.5, 4.0, -3.5, -25.0, 22.0, 59.0, 81.5, 25.0]

PROBLEM: [96, -31, 57, 35, 58, -87, -83]

SOLUTION:
[32.5, 13.0, 46.0, 46.5, -14.5, -85.0]