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:
[48, 69, 7, 42, 46, -27, -58, 24, 95, 57]

Ex Output:
[58.5, 38.0, 24.5, 44.0, 9.5, -42.5, -17.0, 59.5, 76.0]


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:
[-49, 6, -91, -34]

Ex Output:

[-21.5, -42.5, -62.5]