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:
[65, -89, -12, -85, -58, 83]

Ex Output:
[-12.0, -50.5, -48.5, -71.5, 12.5]


Ex Input:
[-20, -20, 87, -95, 61, -9, -35]

Ex Output:
[-20.0, 33.5, -4.0, -17.0, 26.0, -22.0]


Ex Input:
[-39, 15, -72, -93, 71]

Ex Output:

[-12.0, -28.5, -82.5, -11.0]