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]: [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]: [91, 3, -59, 63]
[EX A]: [47.0, -28.0, 2.0]

[EX Q]: [31, 3]
[EX A]:
[17.0]