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]: [9, 62, 4, -63, -50, 9, -19, -42, -20]
[EX A]: [35.5, 33.0, -29.5, -56.5, -20.5, -5.0, -30.5, -31.0]

[EX Q]: [53, -14, 74, -1, -98, 31, -26, 21, 41, -87, 14, 46]
[EX A]: [19.5, 30.0, 36.5, -49.5, -33.5, 2.5, -2.5, 31.0, -23.0, -36.5, 30.0]

[EX Q]: [-3, -52, 61, -73, -34, 68]
[EX A]:
[-27.5, 4.5, -6.0, -53.5, 17.0]