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: [-68, -29, -8, -76, 90, 60, 14, 63, -12]

SOLUTION: [-48.5, -18.5, -42.0, 7.0, 75.0, 37.0, 38.5, 25.5]

PROBLEM: [6, 12, 68, 37, 39, 100, -48]

SOLUTION: [9.0, 40.0, 52.5, 38.0, 69.5, 26.0]

PROBLEM: [55, -94, 7]

SOLUTION:
[-19.5, -43.5]