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]: [20, 17, 12, -4, 33, -71, 17, -43, 72, -53, 80]
[EX A]: [18.5, 14.5, 4.0, 14.5, -19.0, -27.0, -13.0, 14.5, 9.5, 13.5]

[EX Q]: [-9, 97, -37]
[EX A]: [44.0, 30.0]

[EX Q]: [-95, -46, 11, 87, 99]
[EX A]:
[-70.5, -17.5, 49.0, 93.0]