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: [-49, -91, -7]

SOLUTION: [-70.0, -49.0]

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

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

PROBLEM: [-32, 48, 79, 36, -87, -98, -73, 49, -50]

SOLUTION:
[8.0, 63.5, 57.5, -25.5, -92.5, -85.5, -12.0, -0.5]