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: [-88, 35, 91, 54, -25]

SOLUTION: [-26.5, 63.0, 72.5, 14.5]

PROBLEM: [-77, -57, 89, 67, -3, 6, 76]

SOLUTION: [-67.0, 16.0, 78.0, 32.0, 1.5, 41.0]

PROBLEM: [-45, 6, -1, -2, 93, -87, -93, -16, 44, 50, -23, 7, -83]

SOLUTION:
[-19.5, 2.5, -1.5, 45.5, 3.0, -90.0, -54.5, 14.0, 47.0, 13.5, -8.0, -38.0]