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]: [73, -32, -75, 39, -10, -15, 90, -89, -56, 40, -66, -89, -34]
[EX A]: [20.5, -53.5, -18.0, 14.5, -12.5, 37.5, 0.5, -72.5, -8.0, -13.0, -77.5, -61.5]

[EX Q]: [-8, 35, 28, -100]
[EX A]: [13.5, 31.5, -36.0]

[EX Q]: [-35, -65, 48, -24, 84, 45]
[EX A]:
[-50.0, -8.5, 12.0, 30.0, 64.5]