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:
[55, -82, 13, 11, -14, 17]

Ex Output:
[-13.5, -34.5, 12.0, -1.5, 1.5]


Ex Input:
[-80, -95, 61, -96, 44, 18, 84, -7]

Ex Output:
[-87.5, -17.0, -17.5, -26.0, 31.0, 51.0, 38.5]


Ex Input:
[-23, 89, 36, -38]

Ex Output:

[33.0, 62.5, -1.0]