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:
[27, -48, 99, 42, -24, 100]

Ex Output:
[-10.5, 25.5, 70.5, 9.0, 38.0]


Ex Input:
[-19, 17, -76, 38, 49, -1, 98, -89, -27, 49, 6, 44, 81, 0, 80]

Ex Output:
[-1.0, -29.5, -19.0, 43.5, 24.0, 48.5, 4.5, -58.0, 11.0, 27.5, 25.0, 62.5, 40.5, 40.0]


Ex Input:
[42, 88, 85, 13, 44, -43]

Ex Output:

[65.0, 86.5, 49.0, 28.5, 0.5]