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]: [-1, 86, 32, 82, -97, 28, -23]
[EX A]: [42.5, 59.0, 57.0, -7.5, -34.5, 2.5]

[EX Q]: [30, -51, 47]
[EX A]: [-10.5, -2.0]

[EX Q]: [86, -34, -25, -94, -45, 77, 66, 40, 100, 20, -11]
[EX A]:
[26.0, -29.5, -59.5, -69.5, 16.0, 71.5, 53.0, 70.0, 60.0, 4.5]