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: [-77, 76, 21, 100, 19]

SOLUTION: [-0.5, 48.5, 60.5, 59.5]

PROBLEM: [23, -1, 90, 56, -44]

SOLUTION: [11.0, 44.5, 73.0, 6.0]

PROBLEM: [1, -65, 84, -91, -88, -27, -68, 95, 2, 78, -14]

SOLUTION:
[-32.0, 9.5, -3.5, -89.5, -57.5, -47.5, 13.5, 48.5, 40.0, 32.0]