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]: [87, 34, 59, -97, -67, -71, -28, -51, 56]
[EX A]: [60.5, 46.5, -19.0, -82.0, -69.0, -49.5, -39.5, 2.5]

[EX Q]: [40, 77, 36, 50, 36, 89, -13, 75, -57, -13, 15, 42, 72, 21]
[EX A]: [58.5, 56.5, 43.0, 43.0, 62.5, 38.0, 31.0, 9.0, -35.0, 1.0, 28.5, 57.0, 46.5]

[EX Q]: [56, -10, -65, 34, 51, -50, -51, -88, 54]
[EX A]:
[23.0, -37.5, -15.5, 42.5, 0.5, -50.5, -69.5, -17.0]