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]: [-31, 39, -47]
[A]: [4.0, -4.0]


[Q]: [48, 69, 7, 42, 46, -27, -58, 24, 95, 57]
[A]: [58.5, 38.0, 24.5, 44.0, 9.5, -42.5, -17.0, 59.5, 76.0]


[Q]: [35, 20, 53, 74, -57, -56, 50, -69, -27, -47, -32, -21, 76, -20]
[A]:
[27.5, 36.5, 63.5, 8.5, -56.5, -3.0, -9.5, -48.0, -37.0, -39.5, -26.5, 27.5, 28.0]