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:
[29, -92, 6, -24, -12, 98, 69, 26, -32, 70, 37]

Ex Output:
[-31.5, -43.0, -9.0, -18.0, 43.0, 83.5, 47.5, -3.0, 19.0, 53.5]


Ex Input:
[53, -72, 28, 71, -20, 47, 3, 68]

Ex Output:
[-9.5, -22.0, 49.5, 25.5, 13.5, 25.0, 35.5]


Ex Input:
[-17, -66, 65, -20, 30, -63, 28, -86, 72, -41, -16, 21, -4, -55]

Ex Output:

[-41.5, -0.5, 22.5, 5.0, -16.5, -17.5, -29.0, -7.0, 15.5, -28.5, 2.5, 8.5, -29.5]