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].

[1, -85]
[-42.0]

[38, 32, -3, 13, 55, 73]
[35.0, 14.5, 5.0, 34.0, 64.0]

[-46, -56, -82, 43, -52, -63, -2, -23]

[-51.0, -69.0, -19.5, -4.5, -57.5, -32.5, -12.5]