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]: [91, -52, -63, 41]
[EX A]: [19.5, -57.5, -11.0]

[EX Q]: [18, -97, -66, -82, -74, 44, 15, 1, 79, -3]
[EX A]: [-39.5, -81.5, -74.0, -78.0, -15.0, 29.5, 8.0, 40.0, 38.0]

[EX Q]: [51, -17]
[EX A]:
[17.0]