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]: [81, 73]
[EX A]: [77.0]

[EX Q]: [68, -24, 24]
[EX A]: [22.0, 0.0]

[EX Q]: [-89, 64, -14, -48, -57, -86, 14]
[EX A]:
[-12.5, 25.0, -31.0, -52.5, -71.5, -36.0]