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]: [72, -90, -99, -88, -87, -26, -40, -45, 69, 32, 57, 21, -67]
[EX A]: [-9.0, -94.5, -93.5, -87.5, -56.5, -33.0, -42.5, 12.0, 50.5, 44.5, 39.0, -23.0]

[EX Q]: [87, 0, -6, 78, 26]
[EX A]: [43.5, -3.0, 36.0, 52.0]

[EX Q]: [1, -80, -36, 58, 75, -29, 40, -7, 68, 7, -98, -8, 18, -8]
[EX A]:
[-39.5, -58.0, 11.0, 66.5, 23.0, 5.5, 16.5, 30.5, 37.5, -45.5, -53.0, 5.0, 5.0]