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:
[65, -89, -12, -85, -58, 83]

Ex Output:
[-12.0, -50.5, -48.5, -71.5, 12.5]


Ex Input:
[11, 88]

Ex Output:
[49.5]


Ex Input:
[28, -42, -49, 0, -42, -28, -54, 58]

Ex Output:

[-7.0, -45.5, -24.5, -21.0, -35.0, -41.0, 2.0]