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].
[-76, -4, -71, 56, -14, 80, 57, 92, 23, -32, -3, -19, -8, 70, -86]