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: [30, 4, 19, 28, -28, 81, 78, -64, -4, 6, -33, 44, -76]

SOLUTION: [17.0, 11.5, 23.5, 0.0, 26.5, 79.5, 7.0, -34.0, 1.0, -13.5, 5.5, -16.0]

PROBLEM: [33, -76, 34, -35, 27, 74]

SOLUTION: [-21.5, -21.0, -0.5, -4.0, 50.5]

PROBLEM: [12, -16, 97, -31, -91, 49, -50, -37, 13, 83]

SOLUTION:
[-2.0, 40.5, 33.0, -61.0, -21.0, -0.5, -43.5, -12.0, 48.0]