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]: [56, -80, -51, -27, -97, 98, 99, -25, -55, 99, -9, -66, -83, 38, -95]
[A]: [-12.0, -65.5, -39.0, -62.0, 0.5, 98.5, 37.0, -40.0, 22.0, 45.0, -37.5, -74.5, -22.5, -28.5]


[Q]: [93, 23, -18, 1, -66]
[A]: [58.0, 2.5, -8.5, -32.5]


[Q]: [2, 93, -16, 87, -33, -92, -77, -91, -7, 47, -30]
[A]:
[47.5, 38.5, 35.5, 27.0, -62.5, -84.5, -84.0, -49.0, 20.0, 8.5]