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]: [-78, -89, -72, 90, -85, -78, -35]
[EX A]: [-83.5, -80.5, 9.0, 2.5, -81.5, -56.5]

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

[EX Q]: [-46, 15, 20, -7, 67, 22, -31, 59, 13, 31, -28]
[EX A]:
[-15.5, 17.5, 6.5, 30.0, 44.5, -4.5, 14.0, 36.0, 22.0, 1.5]