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]: [67, 45, 59, -50, -28, -70, -84, 69, 72, 53]
[EX A]: [56.0, 52.0, 4.5, -39.0, -49.0, -77.0, -7.5, 70.5, 62.5]

[EX Q]: [-69, -72, 39, 52, -97, 14, 47, -41, 27, -79, 96, -30, -78, 36, -74]
[EX A]:
[-70.5, -16.5, 45.5, -22.5, -41.5, 30.5, 3.0, -7.0, -26.0, 8.5, 33.0, -54.0, -21.0, -19.0]