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]: [-48, -86, 13, 21, 39, -52, 70, 6, 66, 58, -3, 88, -64]
[EX A]: [-67.0, -36.5, 17.0, 30.0, -6.5, 9.0, 38.0, 36.0, 62.0, 27.5, 42.5, 12.0]

[EX Q]: [63, 81, -76, 41, -61, 40, 38, 70, -40, 95, 53, 46, -69]
[EX A]:
[72.0, 2.5, -17.5, -10.0, -10.5, 39.0, 54.0, 15.0, 27.5, 74.0, 49.5, -11.5]