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]: [42, -57, 62, 14, -89, 19, 56, -90, 32, 21, -2, -9]
[A]: [-7.5, 2.5, 38.0, -37.5, -35.0, 37.5, -17.0, -29.0, 26.5, 9.5, -5.5]


[Q]: [81, -51, 1, -76, 11, 93, -3, 40, -15, -37, -20, -34, -85, -64, -34]
[A]: [15.0, -25.0, -37.5, -32.5, 52.0, 45.0, 18.5, 12.5, -26.0, -28.5, -27.0, -59.5, -74.5, -49.0]


[Q]: [-100, -75, -54, -59, 49, 45, -48, 60, -87, 51, -40, 97, -52, -59, -94]
[A]:
[-87.5, -64.5, -56.5, -5.0, 47.0, -1.5, 6.0, -13.5, -18.0, 5.5, 28.5, 22.5, -55.5, -76.5]