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: [58, -15]

SOLUTION: [21.5]

PROBLEM: [-29, 34, -11, 98, 25, -39, -90, -37, 3, -14, -33, 41]

SOLUTION: [2.5, 11.5, 43.5, 61.5, -7.0, -64.5, -63.5, -17.0, -5.5, -23.5, 4.0]

PROBLEM: [-43, -55, -95, -12, -81, 29]

SOLUTION:
[-49.0, -75.0, -53.5, -46.5, -26.0]