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].

[EX Q]: [40, 34, -39]
[EX A]: [37.0, -2.5]

[EX Q]: [100, -88, 100, -71, -83, 24, 80, 12, 16]
[EX A]: [6.0, 6.0, 14.5, -77.0, -29.5, 52.0, 46.0, 14.0]

[EX Q]: [53, -59, -87, -51, 5, -43, 96, -34, 60, -85, -38, -94, -18]
[EX A]:
[-3.0, -73.0, -69.0, -23.0, -19.0, 26.5, 31.0, 13.0, -12.5, -61.5, -66.0, -56.0]