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]: [-71, 91, 51, -78, -87, -87, 71]
[A]: [10.0, 71.0, -13.5, -82.5, -87.0, -8.0]


[Q]: [24, -46, -3, -23, -54, 24, 89, -5, -46, -97, 64, -83]
[A]: [-11.0, -24.5, -13.0, -38.5, -15.0, 56.5, 42.0, -25.5, -71.5, -16.5, -9.5]


[Q]: [-84, -94, 9, 35, 85, -69, -84, 86, -11, 44]
[A]:
[-89.0, -42.5, 22.0, 60.0, 8.0, -76.5, 1.0, 37.5, 16.5]