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:
[60, 88]

Ex Output:
[74.0]


Ex Input:
[38, 58, 14, -58, 77, -41]

Ex Output:
[48.0, 36.0, -22.0, 9.5, 18.0]


Ex Input:
[0, 32, -89, 36, -76, 62, -54, 40, -61]

Ex Output:

[16.0, -28.5, -26.5, -20.0, -7.0, 4.0, -7.0, -10.5]