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: [4, 56, 13, 30, 42, -23, 54, 75, -46, -34, 44, -47, 50, -16]

SOLUTION: [30.0, 34.5, 21.5, 36.0, 9.5, 15.5, 64.5, 14.5, -40.0, 5.0, -1.5, 1.5, 17.0]

PROBLEM: [-19, 17, -76, 38, 49, -1, 98, -89, -27, 49, 6, 44, 81, 0, 80]

SOLUTION: [-1.0, -29.5, -19.0, 43.5, 24.0, 48.5, 4.5, -58.0, 11.0, 27.5, 25.0, 62.5, 40.5, 40.0]

PROBLEM: [-95, 80, -13, -37, -34, -48, 12, 25, 0, 3, -16, -9]

SOLUTION:
[-7.5, 33.5, -25.0, -35.5, -41.0, -18.0, 18.5, 12.5, 1.5, -6.5, -12.5]