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].

[Q]: [58, -15]
[A]: [21.5]


[Q]: [-44, -27, 29, 71, 76, 17, -66, -81]
[A]: [-35.5, 1.0, 50.0, 73.5, 46.5, -24.5, -73.5]


[Q]: [46, 38, 29, 42, 97, 30, 68, 94, 57, -11, 15]
[A]:
[42.0, 33.5, 35.5, 69.5, 63.5, 49.0, 81.0, 75.5, 23.0, 2.0]