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]: [-47, 99, -39, 1, 32, 77, 4, 53, -71]
[EX A]: [26.0, 30.0, -19.0, 16.5, 54.5, 40.5, 28.5, -9.0]

[EX Q]: [24, -46, -3, -23, -54, 24, 89, -5, -46, -97, 64, -83]
[EX A]: [-11.0, -24.5, -13.0, -38.5, -15.0, 56.5, 42.0, -25.5, -71.5, -16.5, -9.5]

[EX Q]: [82, -55, 2, 2, -23, -12, 91, 61, 97]
[EX A]:
[13.5, -26.5, 2.0, -10.5, -17.5, 39.5, 76.0, 79.0]