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:
[-77, -57, 89, 67, -3, 6, 76]

Ex Output:
[-67.0, 16.0, 78.0, 32.0, 1.5, 41.0]


Ex Input:
[6, 44, -61, -38, -97, -71, -15, 82, -43, -5, -75, 15, 58]

Ex Output:
[25.0, -8.5, -49.5, -67.5, -84.0, -43.0, 33.5, 19.5, -24.0, -40.0, -30.0, 36.5]


Ex Input:
[81, 0, 18, 37, -37, 1, 62, 81]

Ex Output:

[40.5, 9.0, 27.5, 0.0, -18.0, 31.5, 71.5]