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:
[-72, 43, 78, -30, 53]

Ex Output:
[-14.5, 60.5, 24.0, 11.5]


Ex Input:
[85, 64]

Ex Output:
[74.5]


Ex Input:
[64, 23, 9, 28, 66, 56, -77, 1, -65, 36, 8, 6]

Ex Output:

[43.5, 16.0, 18.5, 47.0, 61.0, -10.5, -38.0, -32.0, -14.5, 22.0, 7.0]