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:
[-2, 12, 55, -100, 82, 53, 13, 62, -93, -8, -25, -15, 92]

Ex Output:
[5.0, 33.5, -22.5, -9.0, 67.5, 33.0, 37.5, -15.5, -50.5, -16.5, -20.0, 38.5]


Ex Input:
[81, -51, 1, -76, 11, 93, -3, 40, -15, -37, -20, -34, -85, -64, -34]

Ex Output:
[15.0, -25.0, -37.5, -32.5, 52.0, 45.0, 18.5, 12.5, -26.0, -28.5, -27.0, -59.5, -74.5, -49.0]


Ex Input:
[-77, -99, 38, 19, -6, -25, 95, -11, -96]

Ex Output:

[-88.0, -30.5, 28.5, 6.5, -15.5, 35.0, 42.0, -53.5]