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, 23, -18, 1, -66]

Ex Output:
[58.0, 2.5, -8.5, -32.5]


Ex Input:
[29, 38, -89, -84, 82, -45, -18, 49, -59, 14, 90, -52, -60, 16, -29]

Ex Output:
[33.5, -25.5, -86.5, -1.0, 18.5, -31.5, 15.5, -5.0, -22.5, 52.0, 19.0, -56.0, -22.0, -6.5]


Ex Input:
[44, 12, -31, 57, -88, 26]

Ex Output:

[28.0, -9.5, 13.0, -15.5, -31.0]