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].

[-80, -100, -83, -56, -16, 87]
[-90.0, -91.5, -69.5, -36.0, 35.5]

[-19, 69, 5, -99, 92, 24]
[25.0, 37.0, -47.0, -3.5, 58.0]

[40, -6, 95, -23, 13, -48, -47, -23, 46, 2, -86]

[17.0, 44.5, 36.0, -5.0, -17.5, -47.5, -35.0, 11.5, 24.0, -42.0]