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]

[58, 76, 12, -55, 74, 15, -81]
[67.0, 44.0, -21.5, 9.5, 44.5, -33.0]

[-78, 0, -9, 56, -84, 81, 66, -25, -39]

[-39.0, -4.5, 23.5, -14.0, -1.5, 73.5, 20.5, -32.0]