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].

[-27, -76, 16, 92, 73, -80, -56]
[-51.5, -30.0, 54.0, 82.5, -3.5, -68.0]

[10, 78, -51, -20, 48, 55, -72, -1]
[44.0, 13.5, -35.5, 14.0, 51.5, -8.5, -36.5]

[38, 81, -31, -30, 53, -71, -55, -52, 73, 21, -19]

[59.5, 25.0, -30.5, 11.5, -9.0, -63.0, -53.5, 10.5, 47.0, 1.0]