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: [-18, 63, 49, 17, 1]

SOLUTION: [22.5, 56.0, 33.0, 9.0]

PROBLEM: [34, 32, -21, -70, 38, 7, -25]

SOLUTION: [33.0, 5.5, -45.5, -16.0, 22.5, -9.0]

PROBLEM: [-62, -80, 70, -88, -60, 41, 67, 2, 32, 88, -32, 87, 32, -99]

SOLUTION:
[-71.0, -5.0, -9.0, -74.0, -9.5, 54.0, 34.5, 17.0, 60.0, 28.0, 27.5, 59.5, -33.5]