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]: [4, 2, -57, 94, 32, -15, 69, 43, 35, 46, 45]
[EX A]: [3.0, -27.5, 18.5, 63.0, 8.5, 27.0, 56.0, 39.0, 40.5, 45.5]

[EX Q]: [-71, -50, 89, 64, -54, 29, 65, -13, -13, -58]
[EX A]:
[-60.5, 19.5, 76.5, 5.0, -12.5, 47.0, 26.0, -13.0, -35.5]