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, 65, 24, -49, 2, -21, 86, 4, 30, 67, -98]
[A]: [22.5, 44.5, -12.5, -23.5, -9.5, 32.5, 45.0, 17.0, 48.5, -15.5]


[Q]: [73, -32, -75, 39, -10, -15, 90, -89, -56, 40, -66, -89, -34]
[A]: [20.5, -53.5, -18.0, 14.5, -12.5, 37.5, 0.5, -72.5, -8.0, -13.0, -77.5, -61.5]


[Q]: [77, -18, -23, 99, -84, 8, 94, -41, -4, -85, -1, 17, 36, -85, -38]
[A]:
[29.5, -20.5, 38.0, 7.5, -38.0, 51.0, 26.5, -22.5, -44.5, -43.0, 8.0, 26.5, -24.5, -61.5]