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: [-51, -25, -51, 46, -78, 9, -14, -14, -25, 79, 56, -5]

SOLUTION: [-38.0, -38.0, -2.5, -16.0, -34.5, -2.5, -14.0, -19.5, 27.0, 67.5, 25.5]

PROBLEM: [-81, -11, -100, 66, 29, 28, 31, -36]

SOLUTION: [-46.0, -55.5, -17.0, 47.5, 28.5, 29.5, -2.5]

PROBLEM: [19, -22, -82, 77, 69, 15, 32, -53, -10, 32, 36]

SOLUTION:
[-1.5, -52.0, -2.5, 73.0, 42.0, 23.5, -10.5, -31.5, 11.0, 34.0]