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]: [-37, 76, -35, 6, -72, 89, -100, -9, -81, 73, 90, -20]
[EX A]: [19.5, 20.5, -14.5, -33.0, 8.5, -5.5, -54.5, -45.0, -4.0, 81.5, 35.0]

[EX Q]: [93, -62, -77, 30]
[EX A]: [15.5, -69.5, -23.5]

[EX Q]: [68, -11, 86, -12, 16, 68]
[EX A]:
[28.5, 37.5, 37.0, 2.0, 42.0]