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]: [-29, -56, -77, -51, 5, -12, -80]
[A]: [-42.5, -66.5, -64.0, -23.0, -3.5, -46.0]


[Q]: [78, -73, -41, -39, 9, 71, 53, 81, -72, -45, 66, 52, 89, -80, 90]
[A]: [2.5, -57.0, -40.0, -15.0, 40.0, 62.0, 67.0, 4.5, -58.5, 10.5, 59.0, 70.5, 4.5, 5.0]


[Q]: [-5, -44, -38, -22, 11, -30, 24, -16, -28, -62]
[A]:
[-24.5, -41.0, -30.0, -5.5, -9.5, -3.0, 4.0, -22.0, -45.0]