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:
[-6, 77, -32, 13, 97, -13, 29, -86, -44, -100]

Ex Output:
[35.5, 22.5, -9.5, 55.0, 42.0, 8.0, -28.5, -65.0, -72.0]


Ex Input:
[-21, 12, 53, 49, 2, -54, -28, 8, -77, 27, -33]

Ex Output:
[-4.5, 32.5, 51.0, 25.5, -26.0, -41.0, -10.0, -34.5, -25.0, -3.0]


Ex Input:
[35, -3, 63, -1, 8, 38, -1, 47, -13, -78, 58, -89]

Ex Output:

[16.0, 30.0, 31.0, 3.5, 23.0, 18.5, 23.0, 17.0, -45.5, -10.0, -15.5]