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].

[-20, -22, -38, 68, 32, -96, 79, 4, -39, -49]
[-21.0, -30.0, 15.0, 50.0, -32.0, -8.5, 41.5, -17.5, -44.0]

[33, 46, -100, 16, 70, -36, 56, 71, -95]
[39.5, -27.0, -42.0, 43.0, 17.0, 10.0, 63.5, -12.0]

[25, -36, -43, -87, 40, -61, 18, 69]

[-5.5, -39.5, -65.0, -23.5, -10.5, -21.5, 43.5]