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].

[-53, 31, 52]
[-11.0, 41.5]

[-81, 99, -79, 70, 91]
[9.0, 10.0, -4.5, 80.5]

[60, 89, 68, 54, 49, 45, -57, 31, -3, -46, -22, 58]

[74.5, 78.5, 61.0, 51.5, 47.0, -6.0, -13.0, 14.0, -24.5, -34.0, 18.0]