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].

[-42, -27, -37, -63, 89, -61, -68]
[-34.5, -32.0, -50.0, 13.0, 14.0, -64.5]

[-97, -65, -55, 15]
[-81.0, -60.0, -20.0]

[-24, 20, 39, -32, 71, 92, -9, -51, 70]

[-2.0, 29.5, 3.5, 19.5, 81.5, 41.5, -30.0, 9.5]