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: [66, 19, 5, 66, -51, 99, -81, -56, -23, -65, 57, 33, -71, -70]

SOLUTION: [42.5, 12.0, 35.5, 7.5, 24.0, 9.0, -68.5, -39.5, -44.0, -4.0, 45.0, -19.0, -70.5]

PROBLEM: [43, 84]

SOLUTION: [63.5]

PROBLEM: [-87, -45, 98, -100, 67, -41, 93, -51, 59, -22, 21, 2, 1, -78]

SOLUTION:
[-66.0, 26.5, -1.0, -16.5, 13.0, 26.0, 21.0, 4.0, 18.5, -0.5, 11.5, 1.5, -38.5]