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]: [20, -17, 41, -60, 2, 64, 36, 16, -43]
[A]: [1.5, 12.0, -9.5, -29.0, 33.0, 50.0, 26.0, -13.5]


[Q]: [41, 85, 88, 99, -25, -32, -62, -9, -46, -89]
[A]: [63.0, 86.5, 93.5, 37.0, -28.5, -47.0, -35.5, -27.5, -67.5]


[Q]: [64, 13, 88, -99, -78, -76, -49, -69, 65, -52, 1, -18, -100, 21, -57]
[A]:
[38.5, 50.5, -5.5, -88.5, -77.0, -62.5, -59.0, -2.0, 6.5, -25.5, -8.5, -59.0, -39.5, -18.0]