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]: [-21, 13, 42, 12, 48, 35, -98, -25, -7, 21, 35, -24, -45]
[EX A]: [-4.0, 27.5, 27.0, 30.0, 41.5, -31.5, -61.5, -16.0, 7.0, 28.0, 5.5, -34.5]

[EX Q]: [93, 23, -18, 1, -66]
[EX A]: [58.0, 2.5, -8.5, -32.5]

[EX Q]: [-18, -10, -97, -48, -13, 26, -11, -73, 9, 73, -40]
[EX A]:
[-14.0, -53.5, -72.5, -30.5, 6.5, 7.5, -42.0, -32.0, 41.0, 16.5]