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: [35, 54, 66, 55, 64, 42, 88, 74, -32, 37]

SOLUTION: [44.5, 60.0, 60.5, 59.5, 53.0, 65.0, 81.0, 21.0, 2.5]

PROBLEM: [-1, 86, 32, 82, -97, 28, -23]

SOLUTION: [42.5, 59.0, 57.0, -7.5, -34.5, 2.5]

PROBLEM: [18, -26, -85]

SOLUTION:
[-4.0, -55.5]