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]: [-63, 4, 4, 49, -83, 99, 85, -18, 11, 83, 73]
[EX A]: [-29.5, 4.0, 26.5, -17.0, 8.0, 92.0, 33.5, -3.5, 47.0, 78.0]

[EX Q]: [-51, 1, -77, -80, 33, -42, 41, 86, -18, 58]
[EX A]: [-25.0, -38.0, -78.5, -23.5, -4.5, -0.5, 63.5, 34.0, 20.0]

[EX Q]: [-21, -9, 46, -79, 28, 57, -100, -29, -22, 49, -54]
[EX A]:
[-15.0, 18.5, -16.5, -25.5, 42.5, -21.5, -64.5, -25.5, 13.5, -2.5]