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]: [75, 87, -2, 42, -20, -50, 51]
[EX A]: [81.0, 42.5, 20.0, 11.0, -35.0, 0.5]

[EX Q]: [-41, -35]
[EX A]: [-38.0]

[EX Q]: [50, 51, 18, 26, 13, -6]
[EX A]:
[50.5, 34.5, 22.0, 19.5, 3.5]