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:
[76, 77, 36, 41]

Ex Output:
[76.5, 56.5, 38.5]


Ex Input:
[-16, -71, 65, -8, 15, 10, -100, -67]

Ex Output:
[-43.5, -3.0, 28.5, 3.5, 12.5, -45.0, -83.5]


Ex Input:
[-81, -54, 59, 64, 37, 99, -35, 86, -29, -84, -10, 30, 12, -34]

Ex Output:

[-67.5, 2.5, 61.5, 50.5, 68.0, 32.0, 25.5, 28.5, -56.5, -47.0, 10.0, 21.0, -11.0]