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:
[40, 71, -1, -56, -2, 41, 15, -55, -62, 64, 100]

Ex Output:
[55.5, 35.0, -28.5, -29.0, 19.5, 28.0, -20.0, -58.5, 1.0, 82.0]


Ex Input:
[43, 0, 49, -4, -36, -1, -64, 97, -56, 93, -41, -92, -43, -39]

Ex Output:
[21.5, 24.5, 22.5, -20.0, -18.5, -32.5, 16.5, 20.5, 18.5, 26.0, -66.5, -67.5, -41.0]


Ex Input:
[12, -90, -74, -51, -63, -26, -76, -63, 97, 49, -84, -4]

Ex Output:

[-39.0, -82.0, -62.5, -57.0, -44.5, -51.0, -69.5, 17.0, 73.0, -17.5, -44.0]