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]: [85, 64]
[EX A]: [74.5]

[EX Q]: [96, 98, 100, 69, -18, 82, -24, -11, -11, 28, 73, 11]
[EX A]:
[97.0, 99.0, 84.5, 25.5, 32.0, 29.0, -17.5, -11.0, 8.5, 50.5, 42.0]