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]: [36, -53]
[EX A]: [-8.5]

[EX Q]: [-67, -78, -72, 9, -90, 64, 13, -2, -61, 45, 36, -7, -25, 68]
[EX A]: [-72.5, -75.0, -31.5, -40.5, -13.0, 38.5, 5.5, -31.5, -8.0, 40.5, 14.5, -16.0, 21.5]

[EX Q]: [27, 75]
[EX A]:
[51.0]