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:
[24, -15, -59, 82, -84, 54, -33, 88, -74, 57, -22, 1]

Ex Output:
[4.5, -37.0, 11.5, -1.0, -15.0, 10.5, 27.5, 7.0, -8.5, 17.5, -10.5]


Ex Input:
[91, 59, -89, 14, 21, 70, 96, -3, -72, 0, -96, -92, -70]

Ex Output:
[75.0, -15.0, -37.5, 17.5, 45.5, 83.0, 46.5, -37.5, -36.0, -48.0, -94.0, -81.0]


Ex Input:
[-1, -64, -79, 20, 60]

Ex Output:

[-32.5, -71.5, -29.5, 40.0]