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]: [40, 77, 36, 50, 36, 89, -13, 75, -57, -13, 15, 42, 72, 21]
[EX A]: [58.5, 56.5, 43.0, 43.0, 62.5, 38.0, 31.0, 9.0, -35.0, 1.0, 28.5, 57.0, 46.5]

[EX Q]: [72, -90, -99, -88, -87, -26, -40, -45, 69, 32, 57, 21, -67]
[EX A]: [-9.0, -94.5, -93.5, -87.5, -56.5, -33.0, -42.5, 12.0, 50.5, 44.5, 39.0, -23.0]

[EX Q]: [40, -9, 4, -4, 23, -6, 61, 17, -83, 23, -32]
[EX A]:
[15.5, -2.5, 0.0, 9.5, 8.5, 27.5, 39.0, -33.0, -30.0, -4.5]