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].

[99, 29, 62, 55, -61, 21, 91, 93, -41, 72, -95, -28, -34, 46, -8]
[64.0, 45.5, 58.5, -3.0, -20.0, 56.0, 92.0, 26.0, 15.5, -11.5, -61.5, -31.0, 6.0, 19.0]