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:
[-99, 43, 6, 55, 74, -46, 24, -6, -51, 47, 32]

Ex Output:
[-28.0, 24.5, 30.5, 64.5, 14.0, -11.0, 9.0, -28.5, -2.0, 39.5]


Ex Input:
[33, 66, 9, -63, -67, 30, -47, -2, -26, -91]

Ex Output:
[49.5, 37.5, -27.0, -65.0, -18.5, -8.5, -24.5, -14.0, -58.5]


Ex Input:
[-40, -69, 76, 17, -27, -82, 80, -71, 90, -49]

Ex Output:

[-54.5, 3.5, 46.5, -5.0, -54.5, -1.0, 4.5, 9.5, 20.5]