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:
[-30, 37, -83, -63, 52, 22, 80, 75, -98, -17]

Ex Output:
[3.5, -23.0, -73.0, -5.5, 37.0, 51.0, 77.5, -11.5, -57.5]


Ex Input:
[27, -48, 99, 42, -24, 100]

Ex Output:
[-10.5, 25.5, 70.5, 9.0, 38.0]


Ex Input:
[95, -55, -27, 14, 60, -82, -41, -37, 95, 93, 16, -27, -64, 40, -62]

Ex Output:

[20.0, -41.0, -6.5, 37.0, -11.0, -61.5, -39.0, 29.0, 94.0, 54.5, -5.5, -45.5, -12.0, -11.0]


