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:
[82, -6, -31, 31, 30]

Ex Output:
[38.0, -18.5, 0.0, 30.5]


Ex Input:
[84, -12, 27, 10, 23, -64, -8, 23, 3, -90, 87, 4, -74]

Ex Output:
[36.0, 7.5, 18.5, 16.5, -20.5, -36.0, 7.5, 13.0, -43.5, -1.5, 45.5, -35.0]


Ex Input:
[-55, 25, 96, 2, -42, -36, -32, 32]

Ex Output:

[-15.0, 60.5, 49.0, -20.0, -39.0, -34.0, 0.0]