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]: [67, 45, 59, -50, -28, -70, -84, 69, 72, 53]
[A]: [56.0, 52.0, 4.5, -39.0, -49.0, -77.0, -7.5, 70.5, 62.5]


[Q]: [30, 4, 19, 28, -28, 81, 78, -64, -4, 6, -33, 44, -76]
[A]: [17.0, 11.5, 23.5, 0.0, 26.5, 79.5, 7.0, -34.0, 1.0, -13.5, 5.5, -16.0]


[Q]: [-24, 20, 13, -49, 13, 98, -39]
[A]:
[-2.0, 16.5, -18.0, -18.0, 55.5, 29.5]