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]: [53, -72, 28, 71, -20, 47, 3, 68]
[EX A]: [-9.5, -22.0, 49.5, 25.5, 13.5, 25.0, 35.5]

[EX Q]: [52, -7, -11, 69]
[EX A]:
[22.5, -9.0, 29.0]