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].

[41, -16, -86, -96, -67, 28, -89]
[12.5, -51.0, -91.0, -81.5, -19.5, -30.5]

[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]

[80, -84, -81, 81]

[-2.0, -82.5, 0.0]