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: [27, -75, 71, -18, -67, -62, 95, 3, 10]

SOLUTION: [-24.0, -2.0, 26.5, -42.5, -64.5, 16.5, 49.0, 6.5]

PROBLEM: [-43, 46, 22, -76, 46, -87, -59]

SOLUTION: [1.5, 34.0, -27.0, -15.0, -20.5, -73.0]

PROBLEM: [-97, -10, -83, -6, 97, 56, -89, -18, -9]

SOLUTION:
[-53.5, -46.5, -44.5, 45.5, 76.5, -16.5, -53.5, -13.5]