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].

[36, -53]
[-8.5]

[-79, 66, 43, -67, -68, -15, 18, 22, -100, 77, -4, 30, 22]
[-6.5, 54.5, -12.0, -67.5, -41.5, 1.5, 20.0, -39.0, -11.5, 36.5, 13.0, 26.0]

[81, 9, -70, -99]

[45.0, -30.5, -84.5]