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]: [83, 68, 64, 59]
[A]: [75.5, 66.0, 61.5]


[Q]: [79, 37]
[A]: [58.0]


[Q]: [17, -68, -83, 14, -78, 12, -26, 29, -91, 49, 25, 88, -27, 56]
[A]:
[-25.5, -75.5, -34.5, -32.0, -33.0, -7.0, 1.5, -31.0, -21.0, 37.0, 56.5, 30.5, 14.5]


