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:
[-51, -25, -51, 46, -78, 9, -14, -14, -25, 79, 56, -5]

Ex Output:
[-38.0, -38.0, -2.5, -16.0, -34.5, -2.5, -14.0, -19.5, 27.0, 67.5, 25.5]


Ex Input:
[9, -6, -56, -61, -46, -9, 90, -37, 72, 63, -98]

Ex Output:

[1.5, -31.0, -58.5, -53.5, -27.5, 40.5, 26.5, 17.5, 67.5, -17.5]