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:
[-80, -84]

Ex Output:
[-82.0]


Ex Input:
[6, 62, 16, -93, 69, -1]

Ex Output:
[34.0, 39.0, -38.5, -12.0, 34.0]


Ex Input:
[-19, -89, 90, 51, 34, 56, -76]

Ex Output:

[-54.0, 0.5, 70.5, 42.5, 45.0, -10.0]