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].

[21, 0, 32, 60, 36, -98, -33, 36, 23]
[10.5, 16.0, 46.0, 48.0, -31.0, -65.5, 1.5, 29.5]

[38, 58, 14, -58, 77, -41]
[48.0, 36.0, -22.0, 9.5, 18.0]

[-49, -73, 38, 85]

[-61.0, -17.5, 61.5]