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]: [97, -97, 10]
[EX A]: [0.0, -43.5]

[EX Q]: [57, -42, -14, -48, -62, 7, -9]
[EX A]: [7.5, -28.0, -31.0, -55.0, -27.5, -1.0]

[EX Q]: [-9, -13, -52, 74, 11, -16, -84, -30, -6, 43, 51]
[EX A]:
[-11.0, -32.5, 11.0, 42.5, -2.5, -50.0, -57.0, -18.0, 18.5, 47.0]