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]: [-30, 37, -83, -63, 52, 22, 80, 75, -98, -17]
[EX A]: [3.5, -23.0, -73.0, -5.5, 37.0, 51.0, 77.5, -11.5, -57.5]

[EX Q]: [-19, 70, -70, -72, 67, 39, -45, -57, -75]
[EX A]: [25.5, 0.0, -71.0, -2.5, 53.0, -3.0, -51.0, -66.0]

[EX Q]: [93, 67, 20]
[EX A]:
[80.0, 43.5]