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]: [4, 49]
[EX A]: [26.5]

[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]: [80, -90, 28, 21, -81, 84, 38, 18, -12, -43, 38, -89, -28, -89]
[EX A]:
[-5.0, -31.0, 24.5, -30.0, 1.5, 61.0, 28.0, 3.0, -27.5, -2.5, -25.5, -58.5, -58.5]