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:
[92, -48]

Ex Output:
[22.0]


Ex Input:
[-85, 41, -29, 47, -31, -38, 91, 82]

Ex Output:
[-22.0, 6.0, 9.0, 8.0, -34.5, 26.5, 86.5]


Ex Input:
[-84, 99, -55]

Ex Output:

[7.5, 22.0]