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:
[88, -50, 54, -93, 90, -52, 76, -38, 99, 94, -77, -100, -94]

Ex Output:
[19.0, 2.0, -19.5, -1.5, 19.0, 12.0, 19.0, 30.5, 96.5, 8.5, -88.5, -97.0]


Ex Input:
[-25, 42, -59, 3, 93]

Ex Output:
[8.5, -8.5, -28.0, 48.0]


Ex Input:
[-2, -66, 19, -77, -81, -59, 15, 33, -65, 27, -60]

Ex Output:

[-34.0, -23.5, -29.0, -79.0, -70.0, -22.0, 24.0, -16.0, -19.0, -16.5]