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:
[-47, 11, -88, -4, -97, 50, 86, -64]

Ex Output:
[-18.0, -38.5, -46.0, -50.5, -23.5, 68.0, 11.0]


Ex Input:
[-19, -14, -45, -75, 0]

Ex Output:
[-16.5, -29.5, -60.0, -37.5]


Ex Input:
[-92, 5, 16, 35, 81]

Ex Output:

[-43.5, 10.5, 25.5, 58.0]