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].
--------
Question: [-41, -35]

Answer: [-38.0]


Question: [40, 34, -39]

Answer: [37.0, -2.5]


Question: [-54, 28, -27]

Answer:
[-13.0, 0.5]