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]: [-40, 54]
[EX A]: [7.0]

[EX Q]: [10, 69, 6, -80, -39, 74]
[EX A]: [39.5, 37.5, -37.0, -59.5, 17.5]

[EX Q]: [-15, 99, -6, -69, -95, 34, -57, 87, -64, 100]
[EX A]:
[42.0, 46.5, -37.5, -82.0, -30.5, -11.5, 15.0, 11.5, 18.0]