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: [-2, 93, -84, 26, -87, -36, 82, 88, 64, -54, -23, -70, 16, -58, -94]

SOLUTION: [45.5, 4.5, -29.0, -30.5, -61.5, 23.0, 85.0, 76.0, 5.0, -38.5, -46.5, -27.0, -21.0, -76.0]

PROBLEM: [24, -15, -59, 82, -84, 54, -33, 88, -74, 57, -22, 1]

SOLUTION: [4.5, -37.0, 11.5, -1.0, -15.0, 10.5, 27.5, 7.0, -8.5, 17.5, -10.5]

PROBLEM: [-27, 4]

SOLUTION:
[-11.5]