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]: [-77, -57, 89, 67, -3, 6, 76]
[A]: [-67.0, 16.0, 78.0, 32.0, 1.5, 41.0]


[Q]: [18, -10, 28, 29, -23, 98]
[A]: [4.0, 9.0, 28.5, 3.0, 37.5]


[Q]: [-85, -39, 38, 26, -17, -27, 28, 14, -87, 12]
[A]:
[-62.0, -0.5, 32.0, 4.5, -22.0, 0.5, 21.0, -36.5, -37.5]