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: [-20, -20, 87, -95, 61, -9, -35]

Answer: [-20.0, 33.5, -4.0, -17.0, 26.0, -22.0]


Question: [20, 75, 10, 74, -35, 64, -2]

Answer: [47.5, 42.5, 42.0, 19.5, 14.5, 31.0]


Question: [-35, 62]

Answer:
[13.5]