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]: [-12, -11, -13, 37, 73, -7, -15, 62, 1, 5, 93, -30, 21, 29, 99]
[EX A]: [-11.5, -12.0, 12.0, 55.0, 33.0, -11.0, 23.5, 31.5, 3.0, 49.0, 31.5, -4.5, 25.0, 64.0]

[EX Q]: [-27, -76, 16, 92, 73, -80, -56]
[EX A]: [-51.5, -30.0, 54.0, 82.5, -3.5, -68.0]

[EX Q]: [61, -18]
[EX A]:
[21.5]