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]: [89, -29, -43, 99, -63, -80, -73, -50, -58]
[EX A]: [30.0, -36.0, 28.0, 18.0, -71.5, -76.5, -61.5, -54.0]

[EX Q]: [66, 78, -55, 77, -81, -61, 2, -92, 59, -99, 16]
[EX A]: [72.0, 11.5, 11.0, -2.0, -71.0, -29.5, -45.0, -16.5, -20.0, -41.5]

[EX Q]: [35, -72, -62]
[EX A]:
[-18.5, -67.0]