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:
[51, -95, 3, 67, 33, -55, -29, 65, -85, -91]

Ex Output:
[-22.0, -46.0, 35.0, 50.0, -11.0, -42.0, 18.0, -10.0, -88.0]


Ex Input:
[-46, 9, 0, 37, 94, 80, -70, -34, 95, 52, 64, -39, 55, 11]

Ex Output:
[-18.5, 4.5, 18.5, 65.5, 87.0, 5.0, -52.0, 30.5, 73.5, 58.0, 12.5, 8.0, 33.0]


Ex Input:
[-1, -39, -48, -99, -78, -59]

Ex Output:

[-20.0, -43.5, -73.5, -88.5, -68.5]