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]: [-40, 54]
[EX A]: [7.0]

[EX Q]: [55, -33, 9, 23, -18, -6, -90, -6, -78]
[EX A]: [11.0, -12.0, 16.0, 2.5, -12.0, -48.0, -48.0, -42.0]

[EX Q]: [1, -67, -74, 86, -11, -50, -33, -31, -62, -50, -29, -23, 85]
[EX A]:
[-33.0, -70.5, 6.0, 37.5, -30.5, -41.5, -32.0, -46.5, -56.0, -39.5, -26.0, 31.0]