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]: [-10, -49, -49, 14, 92, 63, -10, 73]
[A]: [-29.5, -49.0, -17.5, 53.0, 77.5, 26.5, 31.5]


[Q]: [-50, 22, -84, -93, 27]
[A]: [-14.0, -31.0, -88.5, -33.0]


[Q]: [69, -7, -36]
[A]:
[31.0, -21.5]