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: [12, -25, -52]

SOLUTION: [-6.5, -38.5]

PROBLEM: [43, 90, -72, -46, 22]

SOLUTION: [66.5, 9.0, -59.0, -12.0]

PROBLEM: [12, -14, 15, -60, 84, 51, 96, 66, -14, -14, -12, 88]

SOLUTION:
[-1.0, 0.5, -22.5, 12.0, 67.5, 73.5, 81.0, 26.0, -14.0, -13.0, 38.0]