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: [74, -26, 94, -68]

SOLUTION: [24.0, 34.0, 13.0]

PROBLEM: [79, 42, -75, -7]

SOLUTION: [60.5, -16.5, -41.0]

PROBLEM: [12, 42, -27, 57, 68]

SOLUTION:
[27.0, 7.5, 15.0, 62.5]