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:
[5, -27, -35, -14, -48, 55, 42, 68, -12, -85, 82, -30, 22]

Ex Output:
[-11.0, -31.0, -24.5, -31.0, 3.5, 48.5, 55.0, 28.0, -48.5, -1.5, 26.0, -4.0]


Ex Input:
[33, 46, -100, 16, 70, -36, 56, 71, -95]

Ex Output:
[39.5, -27.0, -42.0, 43.0, 17.0, 10.0, 63.5, -12.0]


Ex Input:
[-100, -28, 9, 90, -64]

Ex Output:

[-64.0, -9.5, 49.5, 13.0]