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: [60, 88]

SOLUTION: [74.0]

PROBLEM: [-27, -64]

SOLUTION: [-45.5]

PROBLEM: [86, 26, 100, -7]

SOLUTION:
[56.0, 63.0, 46.5]