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].

[-79, 58]
[-10.5]

[31, -43]
[-6.0]

[80, 1, 42, -68, 51, 52]

[40.5, 21.5, -13.0, -8.5, 51.5]