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, -17, 41, -60, 2, 64, 36, 16, -43]
[EX A]: [1.5, 12.0, -9.5, -29.0, 33.0, 50.0, 26.0, -13.5]

[EX Q]: [60, 91, 22, -94, -97, -3, -34, -62, -88, -42, 22, -93, -33, -19]
[EX A]: [75.5, 56.5, -36.0, -95.5, -50.0, -18.5, -48.0, -75.0, -65.0, -10.0, -35.5, -63.0, -26.0]

[EX Q]: [27, 3]
[EX A]:
[15.0]