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]: [83, 67, 5, -15]
[EX A]: [75.0, 36.0, -5.0]

[EX Q]: [20, -17, 41, -60, 2, 64, 36, 16, -43]
[EX A]: [1.5, 12.0, -9.5, -29.0, 33.0, 50.0, 26.0, -13.5]

[EX Q]: [96, -66, -24, -95, -44, 55, -73, 38, 59]
[EX A]:
[15.0, -45.0, -59.5, -69.5, 5.5, -9.0, -17.5, 48.5]