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: [1, -100, 41, -66, -18, -91, -1, -82, -99, 26, 27, -43, 40]

SOLUTION: [-49.5, -29.5, -12.5, -42.0, -54.5, -46.0, -41.5, -90.5, -36.5, 26.5, -8.0, -1.5]

PROBLEM: [-99, 100, -53, -61, 64, -96, 13]

SOLUTION: [0.5, 23.5, -57.0, 1.5, -16.0, -41.5]

PROBLEM: [75, -49, -94, -12, 86, -7, 1, -43, -67, 33]

SOLUTION:
[13.0, -71.5, -53.0, 37.0, 39.5, -3.0, -21.0, -55.0, -17.0]

