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: [83, -58]

SOLUTION: [12.5]

PROBLEM: [38, 58, 14, -58, 77, -41]

SOLUTION: [48.0, 36.0, -22.0, 9.5, 18.0]

PROBLEM: [48, -12, -5, -55, 59, -24, -38, -73]

SOLUTION:
[18.0, -8.5, -30.0, 2.0, 17.5, -31.0, -55.5]