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:
[33, -44]

Ex Output:
[-5.5]


Ex Input:
[-97, -65, -55, 15]

Ex Output:
[-81.0, -60.0, -20.0]


Ex Input:
[-91, 24, 43, 55, 26, -49, 97, -94, 6, -22, -87, -36, -75, -3, 79]

Ex Output:

[-33.5, 33.5, 49.0, 40.5, -11.5, 24.0, 1.5, -44.0, -8.0, -54.5, -61.5, -55.5, -39.0, 38.0]