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]: [0, -19, -44, 90, -50, 22, 23, -79, -37, 9, -3]
[EX A]: [-9.5, -31.5, 23.0, 20.0, -14.0, 22.5, -28.0, -58.0, -14.0, 3.0]

[EX Q]: [-80, 99, -49, -90, 63, 15, 39, -5, -17]
[EX A]: [9.5, 25.0, -69.5, -13.5, 39.0, 27.0, 17.0, -11.0]

[EX Q]: [13, -12, 40, -28]
[EX A]:
[0.5, 14.0, 6.0]