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: [-83, -21, -49, -92, 75]

SOLUTION: [-52.0, -35.0, -70.5, -8.5]

PROBLEM: [93, -20, -64, -4, -73, 78, -84, 84, -87]

SOLUTION: [36.5, -42.0, -34.0, -38.5, 2.5, -3.0, 0.0, -1.5]

PROBLEM: [44, 95, 13, -37, -96, -29, -28, 68, -53, -8, -13]

SOLUTION:
[69.5, 54.0, -12.0, -66.5, -62.5, -28.5, 20.0, 7.5, -30.5, -10.5]