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, -94, 40, -52, -80]
[EX A]: [-27.0, -27.0, -6.0, -66.0]

[EX Q]: [-15, 5]
[EX A]: [-5.0]

[EX Q]: [55, -15, 15, -92, -75, 35, 39, -55, -33, 48, 76, -91]
[EX A]:
[20.0, 0.0, -38.5, -83.5, -20.0, 37.0, -8.0, -44.0, 7.5, 62.0, -7.5]