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:
[-14, -93, 6, -75, 34, 96, 8, -65, -91]

Ex Output:
[-53.5, -43.5, -34.5, -20.5, 65.0, 52.0, -28.5, -78.0]


Ex Input:
[-50, -74, 52, -21, 29, -11]

Ex Output:
[-62.0, -11.0, 15.5, 4.0, 9.0]


Ex Input:
[-14, -19, 4, 51, -91, 34, -25, -65, -10, -30, 98]

Ex Output:

[-16.5, -7.5, 27.5, -20.0, -28.5, 4.5, -45.0, -37.5, -20.0, 34.0]