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].

[-34, 86, -55, 55, 97, 30, 27, -60, -25, 54, -4]
[26.0, 15.5, 0.0, 76.0, 63.5, 28.5, -16.5, -42.5, 14.5, 25.0]

[20, 75, 10, 74, -35, 64, -2]
[47.5, 42.5, 42.0, 19.5, 14.5, 31.0]

[94, 49, -16, 80, 1, -93]

[71.5, 16.5, 32.0, 40.5, -46.0]