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: [-23, 63, -6, 66, -53, 18, -45]

SOLUTION: [20.0, 28.5, 30.0, 6.5, -17.5, -13.5]

PROBLEM: [81, -51, 1, -76, 11, 93, -3, 40, -15, -37, -20, -34, -85, -64, -34]

SOLUTION: [15.0, -25.0, -37.5, -32.5, 52.0, 45.0, 18.5, 12.5, -26.0, -28.5, -27.0, -59.5, -74.5, -49.0]

PROBLEM: [77, 98, -19, 72, -77, 77, -82, 17, 20, 19]

SOLUTION:
[87.5, 39.5, 26.5, -2.5, 0.0, -2.5, -32.5, 18.5, 19.5]