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:
[-13, 97, -60, -24, 6, 8, -89, -98, 20, -76]

Ex Output:
[42.0, 18.5, -42.0, -9.0, 7.0, -40.5, -93.5, -39.0, -28.0]


Ex Input:
[69, -85, -82, 75, -40, 98, -48, 27, -52, -45]

Ex Output:
[-8.0, -83.5, -3.5, 17.5, 29.0, 25.0, -10.5, -12.5, -48.5]


Ex Input:
[98, 37, 35, -21, 38]

Ex Output:

[67.5, 36.0, 7.0, 8.5]