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:
[29, -54, 81, -85, 51, -12, -11, -68, 38, 83, 46]

Ex Output:
[-12.5, 13.5, -2.0, -17.0, 19.5, -11.5, -39.5, -15.0, 60.5, 64.5]


Ex Input:
[-96, 48, 22, 48, -28, -9, -43, -75, -18, 57, -25, 55, 71, 42, 1]

Ex Output:
[-24.0, 35.0, 35.0, 10.0, -18.5, -26.0, -59.0, -46.5, 19.5, 16.0, 15.0, 63.0, 56.5, 21.5]


Ex Input:
[94, -38, 25]

Ex Output:

[28.0, -6.5]