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: [-20, 65, 24, -49, 2, -21, 86, 4, 30, 67, -98]

SOLUTION: [22.5, 44.5, -12.5, -23.5, -9.5, 32.5, 45.0, 17.0, 48.5, -15.5]

PROBLEM: [-33, -1, -94, -98, -30, 45, -46]

SOLUTION: [-17.0, -47.5, -96.0, -64.0, 7.5, -0.5]

PROBLEM: [-33, -30, 63, -67, -4, -86, 84, -84, -29, 50, 34, -16, -69, -24, -75]

SOLUTION:
[-31.5, 16.5, -2.0, -35.5, -45.0, -1.0, 0.0, -56.5, 10.5, 42.0, 9.0, -42.5, -46.5, -49.5]

