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:
[93, -20, -64, -4, -73, 78, -84, 84, -87]

Ex Output:
[36.5, -42.0, -34.0, -38.5, 2.5, -3.0, 0.0, -1.5]


Ex Input:
[-44, 25, 81, 66, -22]

Ex Output:
[-9.5, 53.0, 73.5, 22.0]


Ex Input:
[53, 31, -29, -24, -48, -61, 95, -72, -49, 48, 4, -5, -43, -46]

Ex Output:

[42.0, 1.0, -26.5, -36.0, -54.5, 17.0, 11.5, -60.5, -0.5, 26.0, -0.5, -24.0, -44.5]