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: [11, 88]

SOLUTION: [49.5]

PROBLEM: [40, 34, -39]

SOLUTION: [37.0, -2.5]

PROBLEM: [-12, -79, -65, 55, 61]

SOLUTION:
[-45.5, -72.0, -5.0, 58.0]