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: [53, -14, 74, -1, -98, 31, -26, 21, 41, -87, 14, 46]

SOLUTION: [19.5, 30.0, 36.5, -49.5, -33.5, 2.5, -2.5, 31.0, -23.0, -36.5, 30.0]

PROBLEM: [42, 51, 60, 17, 32, -27, -48, -88, 12, 42, 79, 62]

SOLUTION: [46.5, 55.5, 38.5, 24.5, 2.5, -37.5, -68.0, -38.0, 27.0, 60.5, 70.5]

PROBLEM: [-21, 10, 33, 79, -27, 13, -24, 64, -2, 23]

SOLUTION:
[-5.5, 21.5, 56.0, 26.0, -7.0, -5.5, 20.0, 31.0, 10.5]