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].

[-12, 93, -67, 52, -13, 30, -65, 71]
[40.5, 13.0, -7.5, 19.5, 8.5, -17.5, 3.0]

[72, -90, -99, -88, -87, -26, -40, -45, 69, 32, 57, 21, -67]
[-9.0, -94.5, -93.5, -87.5, -56.5, -33.0, -42.5, 12.0, 50.5, 44.5, 39.0, -23.0]

[34, -48, 41, -34, -63, -9]

[-7.0, -3.5, 3.5, -48.5, -36.0]