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]: [-56, 30, -70]
[EX A]: [-13.0, -20.0]

[EX Q]: [40, 71, -1, -56, -2, 41, 15, -55, -62, 64, 100]
[EX A]: [55.5, 35.0, -28.5, -29.0, 19.5, 28.0, -20.0, -58.5, 1.0, 82.0]

[EX Q]: [21, 33, -73, -21, -74, -19, -59, -5, -68, 1, -41]
[EX A]:
[27.0, -20.0, -47.0, -47.5, -46.5, -39.0, -32.0, -36.5, -33.5, -20.0]