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]: [-19, 17, -76, 38, 49, -1, 98, -89, -27, 49, 6, 44, 81, 0, 80]
[EX A]: [-1.0, -29.5, -19.0, 43.5, 24.0, 48.5, 4.5, -58.0, 11.0, 27.5, 25.0, 62.5, 40.5, 40.0]

[EX Q]: [-71, -61, -75, 65, -16, -56, 58, -39, 19, 55, -66, -24]
[EX A]: [-66.0, -68.0, -5.0, 24.5, -36.0, 1.0, 9.5, -10.0, 37.0, -5.5, -45.0]

[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]