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].

[40, -94, 40, -52, -80]
[-27.0, -27.0, -6.0, -66.0]

[92, -24, -56, -81, 53, 60, 5, -82, -14, -26, -31, -83, 17]
[34.0, -40.0, -68.5, -14.0, 56.5, 32.5, -38.5, -48.0, -20.0, -28.5, -57.0, -33.0]

[-57, -89, -67, -38, 0, 38, 56, 30, -39, 17, 72, 3]

[-73.0, -78.0, -52.5, -19.0, 19.0, 47.0, 43.0, -4.5, -11.0, 44.5, 37.5]