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 Input:
[20, -40, -63, 94, -53, -6, 18, 47, -18, -20, -94, 71, 17, 26]

Ex Output:
[-10.0, -51.5, 15.5, 20.5, -29.5, 6.0, 32.5, 14.5, -19.0, -57.0, -11.5, 44.0, 21.5]


Ex Input:
[-2, 12, 55, -100, 82, 53, 13, 62, -93, -8, -25, -15, 92]

Ex Output:
[5.0, 33.5, -22.5, -9.0, 67.5, 33.0, 37.5, -15.5, -50.5, -16.5, -20.0, 38.5]


Ex Input:
[-38, 16, 22, 72, 38, -22, 16, -14, 8, -69, 52, -91, -96, 70]

Ex Output:

[-11.0, 19.0, 47.0, 55.0, 8.0, -3.0, 1.0, -3.0, -30.5, -8.5, -19.5, -93.5, -13.0]