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: [75, 67, 18, -15, -51, -80, -73]

SOLUTION: [71.0, 42.5, 1.5, -33.0, -65.5, -76.5]

PROBLEM: [-1, 75, -1, -37, -38, -10, 70, -75, -98, 39, 37, -15, 60]

SOLUTION: [37.0, 37.0, -19.0, -37.5, -24.0, 30.0, -2.5, -86.5, -29.5, 38.0, 11.0, 22.5]

PROBLEM: [51, 58, 41, 58, 48, -17, -19, 42]

SOLUTION:
[54.5, 49.5, 49.5, 53.0, 15.5, -18.0, 11.5]