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]: [-77, 76, 21, 100, 19]
[EX A]: [-0.5, 48.5, 60.5, 59.5]

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

[EX Q]: [-62, -82, 15, 57, -60, 76, -1, 57, -77, -88, 85, -39, 53]
[EX A]:
[-72.0, -33.5, 36.0, -1.5, 8.0, 37.5, 28.0, -10.0, -82.5, -1.5, 23.0, 7.0]