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, 87, -2, 42, -20, -50, 51]

SOLUTION: [81.0, 42.5, 20.0, 11.0, -35.0, 0.5]

PROBLEM: [-9, 97, -37]

SOLUTION: [44.0, 30.0]

PROBLEM: [-35, 56, -45, 14, -44]

SOLUTION:
[10.5, 5.5, -15.5, -15.0]