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: [-72, -25, -60, -27, 99, -14, -13, -78, 43, -48, -98]

SOLUTION: [-48.5, -42.5, -43.5, 36.0, 42.5, -13.5, -45.5, -17.5, -2.5, -73.0]

PROBLEM: [74, -26, 94, -68]

SOLUTION: [24.0, 34.0, 13.0]

PROBLEM: [-78, -89, -72, 90, -85, -78, -35]

SOLUTION:
[-83.5, -80.5, 9.0, 2.5, -81.5, -56.5]