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: [-19, 70, -70, -72, 67, 39, -45, -57, -75]

SOLUTION: [25.5, 0.0, -71.0, -2.5, 53.0, -3.0, -51.0, -66.0]

PROBLEM: [72, 26, -4, 14, 32, 55, -93, 5, -61, 52, -68, 93, 27, 24, 80]

SOLUTION: [49.0, 11.0, 5.0, 23.0, 43.5, -19.0, -44.0, -28.0, -4.5, -8.0, 12.5, 60.0, 25.5, 52.0]

PROBLEM: [57, 46, -3, -7, 66, -72, 7, -93, -71, -40, -61, -69, -84, 23, 60]

SOLUTION:
[51.5, 21.5, -5.0, 29.5, -3.0, -32.5, -43.0, -82.0, -55.5, -50.5, -65.0, -76.5, -30.5, 41.5]