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].

[-85, 25, 90, -97, -97, -76, 66, -96]
[-30.0, 57.5, -3.5, -97.0, -86.5, -5.0, -15.0]

[34, -47, 92, -36, 63, 63, -15, 93, 3, -77, -86, -12, -86]
[-6.5, 22.5, 28.0, 13.5, 63.0, 24.0, 39.0, 48.0, -37.0, -81.5, -49.0, -49.0]

[-5, 57, 100, 39, 31, -98, -18, 8, 70, 66, 96, 11]

[26.0, 78.5, 69.5, 35.0, -33.5, -58.0, -5.0, 39.0, 68.0, 81.0, 53.5]