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:
[-34, 7, -83, 25, -31, 7]

Ex Output:
[-13.5, -38.0, -29.0, -3.0, -12.0]


Ex Input:
[-72, 72, -34, 49, -10, 60, -21, -14]

Ex Output:
[0.0, 19.0, 7.5, 19.5, 25.0, 19.5, -17.5]


Ex Input:
[54, 75, -5, -32, -36, -100]

Ex Output:

[64.5, 35.0, -18.5, -34.0, -68.0]