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: [-72, -25, -60, -27, 99, -14, -13, -78, 43, -48, -98]

SOLUTION: [-48.5, -42.5, -43.5, 36.0, 42.5, -13.5, -45.5, -17.5, -2.5, -73.0]

PROBLEM: [-71, -61, -75, 65, -16, -56, 58, -39, 19, 55, -66, -24]

SOLUTION: [-66.0, -68.0, -5.0, 24.5, -36.0, 1.0, 9.5, -10.0, 37.0, -5.5, -45.0]

PROBLEM: [57, -60, -48, -79, -93, -33, -98, -91, -2, -90, 20]

SOLUTION:
[-1.5, -54.0, -63.5, -86.0, -63.0, -65.5, -94.5, -46.5, -46.0, -35.0]

