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:
[38, 32, -3, 13, 55, 73]

Ex Output:
[35.0, 14.5, 5.0, 34.0, 64.0]


Ex Input:
[-84, -65, 93, -88, -73, -65, -68, 66, -9, -98, 96]

Ex Output:
[-74.5, 14.0, 2.5, -80.5, -69.0, -66.5, -1.0, 28.5, -53.5, -1.0]


Ex Input:
[-33, 17]

Ex Output:

[-8.0]