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].

[-89, 64, -14, -48, -57, -86, 14]
[-12.5, 25.0, -31.0, -52.5, -71.5, -36.0]

[-26, -40, -22, -65, -61, 16, 26, 51, -24]
[-33.0, -31.0, -43.5, -63.0, -22.5, 21.0, 38.5, 13.5]

[9, 71, -58, 54, -34, 77, -2]

[40.0, 6.5, -2.0, 10.0, 21.5, 37.5]