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].

[-14, 33, -89]
[9.5, -28.0]

[-85, 41, -29, 47, -31, -38, 91, 82]
[-22.0, 6.0, 9.0, 8.0, -34.5, 26.5, 86.5]

[34, 67]

[50.5]