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]: [-19, 17, -76, 38, 49, -1, 98, -89, -27, 49, 6, 44, 81, 0, 80]
[EX A]: [-1.0, -29.5, -19.0, 43.5, 24.0, 48.5, 4.5, -58.0, 11.0, 27.5, 25.0, 62.5, 40.5, 40.0]

[EX Q]: [98, -73, 94, -63, 27, -13, 26]
[EX A]: [12.5, 10.5, 15.5, -18.0, 7.0, 6.5]

[EX Q]: [83, 50, 77, 93, -26, -17, -48, -94, -40, 100, 69, -13, -43, -39, 60]
[EX A]:
[66.5, 63.5, 85.0, 33.5, -21.5, -32.5, -71.0, -67.0, 30.0, 84.5, 28.0, -28.0, -41.0, 10.5]