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:
[70, 88, 58, -25, 49, -89, 76, -46, 59, 48, -40, -62]

Ex Output:
[79.0, 73.0, 16.5, 12.0, -20.0, -6.5, 15.0, 6.5, 53.5, 4.0, -51.0]


Ex Input:
[-71, -50, 89, 64, -54, 29, 65, -13, -13, -58]

Ex Output:
[-60.5, 19.5, 76.5, 5.0, -12.5, 47.0, 26.0, -13.0, -35.5]


Ex Input:
[-10, -60, -31, 49, -74, -51, 96, 19, -17, 4, 31, 53, -30, 54]

Ex Output:

[-35.0, -45.5, 9.0, -12.5, -62.5, 22.5, 57.5, 1.0, -6.5, 17.5, 42.0, 11.5, 12.0]