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]: [-16, 54, 42]
[EX A]: [19.0, 48.0]

[EX Q]: [-72, 72, -34, 49, -10, 60, -21, -14]
[EX A]: [0.0, 19.0, 7.5, 19.5, 25.0, 19.5, -17.5]

[EX Q]: [86, 66, 9, -73, 42, 16, 58]
[EX A]:
[76.0, 37.5, -32.0, -15.5, 29.0, 37.0]