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: [6, 12, 68, 37, 39, 100, -48]

SOLUTION: [9.0, 40.0, 52.5, 38.0, 69.5, 26.0]

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

SOLUTION: [60.5, -16.5, -41.0]

PROBLEM: [74, 90, 37, 13, 40, 96, 34, 51, -55, -76, -52, -14, 14]

SOLUTION:
[82.0, 63.5, 25.0, 26.5, 68.0, 65.0, 42.5, -2.0, -65.5, -64.0, -33.0, 0.0]