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]: [57, 81, -99]
[EX A]: [69.0, -9.0]

[EX Q]: [-13, 31, 0, 53]
[EX A]: [9.0, 15.5, 26.5]

[EX Q]: [24, -23, -38, -15, -54, 53]
[EX A]:
[0.5, -30.5, -26.5, -34.5, -0.5]