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:
[31, -43]

Ex Output:
[-6.0]


Ex Input:
[44, 85, 40, 93]

Ex Output:
[64.5, 62.5, 66.5]


Ex Input:
[-14, -54, -29]

Ex Output:

[-34.0, -41.5]


