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]: [68, -24, 24]
[A]: [22.0, 0.0]


[Q]: [-75, -34, -1, 26, -70, 62, -63, -8, -10, -29, -27, 0, 87, 29, 29]
[A]: [-54.5, -17.5, 12.5, -22.0, -4.0, -0.5, -35.5, -9.0, -19.5, -28.0, -13.5, 43.5, 58.0, 29.0]


[Q]: [60, -62, -36, 28, 48, -69, -24, 77, 72, 85, 74]
[A]:
[-1.0, -49.0, -4.0, 38.0, -10.5, -46.5, 26.5, 74.5, 78.5, 79.5]