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: [-18, 63, 49, 17, 1]

Answer: [22.5, 56.0, 33.0, 9.0]


Question: [-85, 25, 90, -97, -97, -76, 66, -96]

Answer: [-30.0, 57.5, -3.5, -97.0, -86.5, -5.0, -15.0]


Question: [-42, 26, 22, 89, -83, -63, 13, -4, -43, 35]

Answer:
[-8.0, 24.0, 55.5, 3.0, -73.0, -25.0, 4.5, -23.5, -4.0]