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, -42, 24, 40, 59, 88, -75, -11, 9, -56, -92, -80]
[EX A]: [7.5, -9.0, 32.0, 49.5, 73.5, 6.5, -43.0, -1.0, -23.5, -74.0, -86.0]

[EX Q]: [30, 4, 19, 28, -28, 81, 78, -64, -4, 6, -33, 44, -76]
[EX A]: [17.0, 11.5, 23.5, 0.0, 26.5, 79.5, 7.0, -34.0, 1.0, -13.5, 5.5, -16.0]

[EX Q]: [100, 39, 11, -49, -92, -79]
[EX A]:
[69.5, 25.0, -19.0, -70.5, -85.5]