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: [41, -66, -51, -81, 57, -30, 7]

SOLUTION: [-12.5, -58.5, -66.0, -12.0, 13.5, -11.5]

PROBLEM: [98, -43]

SOLUTION:
[27.5]