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: [1, -85]

SOLUTION: [-42.0]

PROBLEM: [36, -11, 53, -4, 26, -25, 45, -41]

SOLUTION: [12.5, 21.0, 24.5, 11.0, 0.5, 10.0, 2.0]

PROBLEM: [55, 46, -46, 83, -29, 9, -70, -21, -79, 96, 24, -89, -49]

SOLUTION:
[50.5, 0.0, 18.5, 27.0, -10.0, -30.5, -45.5, -50.0, 8.5, 60.0, -32.5, -69.0]