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: [93, 23, -18, 1, -66]

SOLUTION: [58.0, 2.5, -8.5, -32.5]

PROBLEM: [31, -62, 49, -13, -30, -59, 76, 31, 40, -31, -56, -36]

SOLUTION: [-15.5, -6.5, 18.0, -21.5, -44.5, 8.5, 53.5, 35.5, 4.5, -43.5, -46.0]

PROBLEM: [0, 71, 49, 76, 47, -1, -55, 27, 89, 47, 58, 58, 32, -42, 10]

SOLUTION:
[35.5, 60.0, 62.5, 61.5, 23.0, -28.0, -14.0, 58.0, 68.0, 52.5, 58.0, 45.0, -5.0, -16.0]