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: [1, -64, 72, 62, -38, 29, -93, 75, -71, 49, -41, 33, 73]

SOLUTION: [-31.5, 4.0, 67.0, 12.0, -4.5, -32.0, -9.0, 2.0, -11.0, 4.0, -4.0, 53.0]

PROBLEM: [73, -32, -75, 39, -10, -15, 90, -89, -56, 40, -66, -89, -34]

SOLUTION: [20.5, -53.5, -18.0, 14.5, -12.5, 37.5, 0.5, -72.5, -8.0, -13.0, -77.5, -61.5]

PROBLEM: [-12, -11, -13, 37, 73, -7, -15, 62, 1, 5, 93, -30, 21, 29, 99]

SOLUTION:
[-11.5, -12.0, 12.0, 55.0, 33.0, -11.0, 23.5, 31.5, 3.0, 49.0, 31.5, -4.5, 25.0, 64.0]