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]: [17, -31, 89, -43, 58, -50, 2, -61]
[EX A]: [-7.0, 29.0, 23.0, 7.5, 4.0, -24.0, -29.5]

[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]: [-25, 29, 0, -66, -92, 11, -89, -35, 80, -69, 81, -69]
[EX A]:
[2.0, 14.5, -33.0, -79.0, -40.5, -39.0, -62.0, 22.5, 5.5, 6.0, 6.0]