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]: [78, 3, 3, 50, 80, -76, -73, -20, -71, -29, -47, 4]
[EX A]: [40.5, 3.0, 26.5, 65.0, 2.0, -74.5, -46.5, -45.5, -50.0, -38.0, -21.5]

[EX Q]: [-69, -35, 56, 64]
[EX A]: [-52.0, 10.5, 60.0]

[EX Q]: [-100, -45, 23, 81, 90, 54]
[EX A]:
[-72.5, -11.0, 52.0, 85.5, 72.0]

