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: [57, -42, 24, 40, 59, 88, -75, -11, 9, -56, -92, -80]

SOLUTION: [7.5, -9.0, 32.0, 49.5, 73.5, 6.5, -43.0, -1.0, -23.5, -74.0, -86.0]

PROBLEM: [58, -15]

SOLUTION: [21.5]

PROBLEM: [25, -44, -76, 85, -16, 86, -69, 21, -85, -23, 21]

SOLUTION:
[-9.5, -60.0, 4.5, 34.5, 35.0, 8.5, -24.0, -32.0, -54.0, -1.0]

