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]: [58, -5, 43, -83, -62, 51, -90, 29, -13]
[EX A]: [26.5, 19.0, -20.0, -72.5, -5.5, -19.5, -30.5, 8.0]

[EX Q]: [79, 37]
[EX A]: [58.0]

[EX Q]: [-57, -27, -20, 4, -82, 58, -39, 92, 64, -68, -21]
[EX A]:
[-42.0, -23.5, -8.0, -39.0, -12.0, 9.5, 26.5, 78.0, -2.0, -44.5]