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]: [-38, 74, -68, -95, -2, -19, 29, 63, 11, 95, 82, -57, -50, -12]
[EX A]: [18.0, 3.0, -81.5, -48.5, -10.5, 5.0, 46.0, 37.0, 53.0, 88.5, 12.5, -53.5, -31.0]

[EX Q]: [93, -62, -77, 30]
[EX A]: [15.5, -69.5, -23.5]

[EX Q]: [-68, 91]
[EX A]:
[11.5]