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, -58]

SOLUTION: [12.5]

PROBLEM: [73, 14, 60, -37, -46, 37, 74, -6, -98, -73, 62]

SOLUTION: [43.5, 37.0, 11.5, -41.5, -4.5, 55.5, 34.0, -52.0, -85.5, -5.5]

PROBLEM: [82, 83, 68, 64, -35]

SOLUTION:
[82.5, 75.5, 66.0, 14.5]