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]: [58, 76, 12, -55, 74, 15, -81]
[EX A]: [67.0, 44.0, -21.5, 9.5, 44.5, -33.0]

[EX Q]: [-39, 16, -88, -73, 52, -75, -23, -37, 21]
[EX A]: [-11.5, -36.0, -80.5, -10.5, -11.5, -49.0, -30.0, -8.0]

[EX Q]: [47, -50, -51, -35, -91, -78, 32, 86, -9]
[EX A]:
[-1.5, -50.5, -43.0, -63.0, -84.5, -23.0, 59.0, 38.5]