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:
[66, 64, 72, -51, 62, 66, -93]

Ex Output:
[65.0, 68.0, 10.5, 5.5, 64.0, -13.5]


Ex Input:
[18, -97, -66, -82, -74, 44, 15, 1, 79, -3]

Ex Output:
[-39.5, -81.5, -74.0, -78.0, -15.0, 29.5, 8.0, 40.0, 38.0]


Ex Input:
[-30, 45, 90, 15, 77, -92, 59, 84, -55, -28, 10, -18, -17]

Ex Output:

[7.5, 67.5, 52.5, 46.0, -7.5, -16.5, 71.5, 14.5, -41.5, -9.0, -4.0, -17.5]