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:
[-19, 69, 5, -99, 92, 24]

Ex Output:
[25.0, 37.0, -47.0, -3.5, 58.0]


Ex Input:
[52, 88, 91, 51, 48, 72, 93, 44, -23]

Ex Output:
[70.0, 89.5, 71.0, 49.5, 60.0, 82.5, 68.5, 10.5]


Ex Input:
[1, -1, -22, -49, -28, -34, -48, -83, 18, -91, -45, 1, -27, 83]

Ex Output:

[0.0, -11.5, -35.5, -38.5, -31.0, -41.0, -65.5, -32.5, -36.5, -68.0, -22.0, -13.0, 28.0]