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: [-15, 5]

SOLUTION: [-5.0]

PROBLEM: [-82, -15, -16, -3, 93, -84, 34, -59, 45, -32]

SOLUTION: [-48.5, -15.5, -9.5, 45.0, 4.5, -25.0, -12.5, -7.0, 6.5]

PROBLEM: [-25, -36, 75]

SOLUTION:
[-30.5, 19.5]