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: [10, 69, 6, -80, -39, 74]

SOLUTION: [39.5, 37.5, -37.0, -59.5, 17.5]

PROBLEM: [24, 45, -50, 2, -75, -84, 83, -44, 89, -50, -65, 23, 94]

SOLUTION: [34.5, -2.5, -24.0, -36.5, -79.5, -0.5, 19.5, 22.5, 19.5, -57.5, -21.0, 58.5]

PROBLEM: [-100, 62, -66, -61, 2, -47]

SOLUTION:
[-19.0, -2.0, -63.5, -29.5, -22.5]