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].

[-76, -3, -6, -74, 70, -26]
[-39.5, -4.5, -40.0, -2.0, 22.0]

[20, 57, 16, -66, -30, -89, 64, -22, 7, -36, -19, -71]
[38.5, 36.5, -25.0, -48.0, -59.5, -12.5, 21.0, -7.5, -14.5, -27.5, -45.0]

[-10, 40, 41, 47, -88, 87, 75]

[15.0, 40.5, 44.0, -20.5, -0.5, 81.0]