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: [75, 67, 18, -15, -51, -80, -73]

SOLUTION: [71.0, 42.5, 1.5, -33.0, -65.5, -76.5]

PROBLEM: [31, 33, 27, 25]

SOLUTION: [32.0, 30.0, 26.0]

PROBLEM: [97, 92, -84, -33, 12, -14, 6]

SOLUTION:
[94.5, 4.0, -58.5, -10.5, -1.0, -4.0]

