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].

[-40, 90, 50, -98, -61, 41, 23, 92, -82, 4, 53, 52, 33, -23, 33]
[25.0, 70.0, -24.0, -79.5, -10.0, 32.0, 57.5, 5.0, -39.0, 28.5, 52.5, 42.5, 5.0, 5.0]