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, -72, 28, 71, -20, 47, 3, 68]
[-9.5, -22.0, 49.5, 25.5, 13.5, 25.0, 35.5]

[60, 14]
[37.0]

[-1, -3, 25, 90, 4, -37, 1, 46, -37, -71, -90, 93]

[-2.0, 11.0, 57.5, 47.0, -16.5, -18.0, 23.5, 4.5, -54.0, -80.5, 1.5]