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:
[-81, -97, 24, 13, -42, -46, -6, 31]

Ex Output:
[-89.0, -36.5, 18.5, -14.5, -44.0, -26.0, 12.5]


Ex Input:
[10, -36, -24, 22]

Ex Output:

[-13.0, -30.0, -1.0]