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]: [94, 36, -77, -44, -66, -1, 63, 28, 84, 91, 4, -43, 39, -81, -73]
[EX A]: [65.0, -20.5, -60.5, -55.0, -33.5, 31.0, 45.5, 56.0, 87.5, 47.5, -19.5, -2.0, -21.0, -77.0]

[EX Q]: [54, 27, 20, -9]
[EX A]: [40.5, 23.5, 5.5]

[EX Q]: [56, -47, -60, -71, 9, 37, 7, 54, 97, -85, -71, -9, 45]
[EX A]:
[4.5, -53.5, -65.5, -31.0, 23.0, 22.0, 30.5, 75.5, 6.0, -78.0, -40.0, 18.0]