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:
[-13, 97, -60, -24, 6, 8, -89, -98, 20, -76]

Ex Output:
[42.0, 18.5, -42.0, -9.0, 7.0, -40.5, -93.5, -39.0, -28.0]


Ex Input:
[-5, -54, -100, -12, -64, 96, -48]

Ex Output:
[-29.5, -77.0, -56.0, -38.0, 16.0, 24.0]


Ex Input:
[-64, 61, -61, 82, 87, 15, -1]

Ex Output:

[-1.5, 0.0, 10.5, 84.5, 51.0, 7.0]