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].

[-60, -98, 67, 39, 55, -54, -79, 82, 69, 33, -38, 67, -54, -18, 33]
[-79.0, -15.5, 53.0, 47.0, 0.5, -66.5, 1.5, 75.5, 51.0, -2.5, 14.5, 6.5, -36.0, 7.5]