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: [-99, -62, -46, -87, -99, -49, -24, -26, -22, 61, -48, -25, -59, -51, -85]

SOLUTION: [-80.5, -54.0, -66.5, -93.0, -74.0, -36.5, -25.0, -24.0, 19.5, 6.5, -36.5, -42.0, -55.0, -68.0]

PROBLEM: [-77, -99, 38, 19, -6, -25, 95, -11, -96]

SOLUTION: [-88.0, -30.5, 28.5, 6.5, -15.5, 35.0, 42.0, -53.5]

PROBLEM: [-82, -44, 80, -99, 92, 25, 19, -37, 44, 12, 68]

SOLUTION:
[-63.0, 18.0, -9.5, -3.5, 58.5, 22.0, -9.0, 3.5, 28.0, 40.0]

