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:
[24, -46, -3, -23, -54, 24, 89, -5, -46, -97, 64, -83]

Ex Output:
[-11.0, -24.5, -13.0, -38.5, -15.0, 56.5, 42.0, -25.5, -71.5, -16.5, -9.5]


Ex Input:
[59, -64, -32, 17, -11, 56, 91, -44, 86, -59, -3, -8, 62, -66, 1]

Ex Output:
[-2.5, -48.0, -7.5, 3.0, 22.5, 73.5, 23.5, 21.0, 13.5, -31.0, -5.5, 27.0, -2.0, -32.5]


Ex Input:
[44, -100, 40, 20, 9, 28, -58, 71, -52]

Ex Output:

[-28.0, -30.0, 30.0, 14.5, 18.5, -15.0, 6.5, 9.5]