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:
[-24, -20, -8]

Ex Output:
[-22.0, -14.0]


Ex Input:
[22, 40, 66, -50, 1, 15, 36]

Ex Output:

[31.0, 53.0, 8.0, -24.5, 8.0, 25.5]