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].

[65, 82, -67, -51]
[73.5, 7.5, -59.0]

[-49, -26, -50, -5, -69, -4, -43, 92]
[-37.5, -38.0, -27.5, -37.0, -36.5, -23.5, 24.5]

[20, -1, -42, 20]

[9.5, -21.5, -11.0]