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: [-8, -54, 31, -40, 58, -2, 45, -86, -62, -14, 94]

SOLUTION: [-31.0, -11.5, -4.5, 9.0, 28.0, 21.5, -20.5, -74.0, -38.0, 40.0]

PROBLEM: [-3, -21, 57, -70, -97, -90, 31, 83, 68, -34, -65, 13]

SOLUTION: [-12.0, 18.0, -6.5, -83.5, -93.5, -29.5, 57.0, 75.5, 17.0, -49.5, -26.0]

PROBLEM: [1, 77, 55, -37, -65, 80, 31, -37, -61, 3, -80]

SOLUTION:
[39.0, 66.0, 9.0, -51.0, 7.5, 55.5, -3.0, -49.0, -29.0, -38.5]