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].

[-71, -50, 89, 64, -54, 29, 65, -13, -13, -58]
[-60.5, 19.5, 76.5, 5.0, -12.5, 47.0, 26.0, -13.0, -35.5]

[-64, 95]
[15.5]

[-8, -19, 83, -88, -85, 37, -82, 28, -91, 25]

[-13.5, 32.0, -2.5, -86.5, -24.0, -22.5, -27.0, -31.5, -33.0]