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:
[-44, 25, 81, 66, -22]

Ex Output:
[-9.5, 53.0, 73.5, 22.0]


Ex Input:
[0, -85, 1, 64, 53, -80, 18, 45, 57, -84, -11, 80, -23, 91]

Ex Output:
[-42.5, -42.0, 32.5, 58.5, -13.5, -31.0, 31.5, 51.0, -13.5, -47.5, 34.5, 28.5, 34.0]


Ex Input:
[98, -99]

Ex Output:

[-0.5]