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:
[-78, -89, -72, 90, -85, -78, -35]

Ex Output:
[-83.5, -80.5, 9.0, 2.5, -81.5, -56.5]


Ex Input:
[-73, -25, -81, 3, 49, -56, 5, -90, -83, -48, 47]

Ex Output:
[-49.0, -53.0, -39.0, 26.0, -3.5, -25.5, -42.5, -86.5, -65.5, -0.5]


Ex Input:
[-67, -30, -93, -79, 75, -61, 90]

Ex Output:

[-48.5, -61.5, -86.0, -2.0, 7.0, 14.5]