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, -21, 98, 57, -90, 11, 45, -2, 6, -34]
[29.0, 38.5, 77.5, -16.5, -39.5, 28.0, 21.5, 2.0, -14.0]

[-45, 34]
[-5.5]

[36, 83, 69, 43, -67, 98, 33, -7, 95, -2, -13, -12, 7, 46, 9]

[59.5, 76.0, 56.0, -12.0, 15.5, 65.5, 13.0, 44.0, 46.5, -7.5, -12.5, -2.5, 26.5, 27.5]