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:
[43, -22, -75, -92, -34, 33, -60, -65, 89]

Ex Output:
[10.5, -48.5, -83.5, -63.0, -0.5, -13.5, -62.5, 12.0]


Ex Input:
[79, 42, -75, -7]

Ex Output:
[60.5, -16.5, -41.0]


Ex Input:
[46, -56]

Ex Output:

[-5.0]