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: [-31, 82, -67, -41, -11, 78, -32]

SOLUTION: [25.5, 7.5, -54.0, -26.0, 33.5, 23.0]

PROBLEM: [-9, 97, -37]

SOLUTION: [44.0, 30.0]

PROBLEM: [33, -41, 90, 44, -30, 96, 98, 35, -59, -47, -83, -70]

SOLUTION:
[-4.0, 24.5, 67.0, 7.0, 33.0, 97.0, 66.5, -12.0, -53.0, -65.0, -76.5]