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]: [-20, -20, 87, -95, 61, -9, -35]
[EX A]: [-20.0, 33.5, -4.0, -17.0, 26.0, -22.0]

[EX Q]: [-40, 54]
[EX A]: [7.0]

[EX Q]: [-49, 81, 47, 88, -66, 71]
[EX A]:
[16.0, 64.0, 67.5, 11.0, 2.5]