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]: [89, -29, -43, 99, -63, -80, -73, -50, -58]
[A]: [30.0, -36.0, 28.0, 18.0, -71.5, -76.5, -61.5, -54.0]


[Q]: [41, -16, -86, -96, -67, 28, -89]
[A]: [12.5, -51.0, -91.0, -81.5, -19.5, -30.5]


[Q]: [-20, -16, -85, 38, -61, -66, 42, -35, -71, -23, 87, 6]
[A]:
[-18.0, -50.5, -23.5, -11.5, -63.5, -12.0, 3.5, -53.0, -47.0, 32.0, 46.5]