You will be given a definition of a task first, then some input of the task.
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].

[-58, -86, 39, -98, -41, 59, 4, -4, 56, 88, 61, -5, 36]
Output:
[-72.0, -23.5, -29.5, -69.5, 9.0, 31.5, 0.0, 26.0, 72.0, 74.5, 28.0, 15.5]