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]: [-68, 93, -7, 31, -45, -70, -28, 78]
[A]: [12.5, 43.0, 12.0, -7.0, -57.5, -49.0, 25.0]


[Q]: [84, -86, 12, 56, 39, 30]
[A]: [-1.0, -37.0, 34.0, 47.5, 34.5]


[Q]: [-72, 53, 13, -39, -32]
[A]:
[-9.5, 33.0, -13.0, -35.5]