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: [43, -22, -75, -92, -34, 33, -60, -65, 89]

SOLUTION: [10.5, -48.5, -83.5, -63.0, -0.5, -13.5, -62.5, 12.0]

PROBLEM: [-76, -32, -40, 62, 72, 71, 3, -22]

SOLUTION: [-54.0, -36.0, 11.0, 67.0, 71.5, 37.0, -9.5]

PROBLEM: [2, 8, 88, 40, 42, 23, -45, 28, 18]

SOLUTION:
[5.0, 48.0, 64.0, 41.0, 32.5, -11.0, -8.5, 23.0]