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]: [-63, 4, 4, 49, -83, 99, 85, -18, 11, 83, 73]
[A]: [-29.5, 4.0, 26.5, -17.0, 8.0, 92.0, 33.5, -3.5, 47.0, 78.0]


[Q]: [-60, 14, 11, 76]
[A]: [-23.0, 12.5, 43.5]


[Q]: [-85, 60, -63, -33, -65, 37, -1, -39, -50, -60]
[A]:
[-12.5, -1.5, -48.0, -49.0, -14.0, 18.0, -20.0, -44.5, -55.0]