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:
[-6, -18, 1, 1, 14, -47, -51, 100, 60, 24, 78, -80, 72, 41, 23]

Ex Output:
[-12.0, -8.5, 1.0, 7.5, -16.5, -49.0, 24.5, 80.0, 42.0, 51.0, -1.0, -4.0, 56.5, 32.0]


Ex Input:
[72, 26, -4, 14, 32, 55, -93, 5, -61, 52, -68, 93, 27, 24, 80]

Ex Output:
[49.0, 11.0, 5.0, 23.0, 43.5, -19.0, -44.0, -28.0, -4.5, -8.0, 12.5, 60.0, 25.5, 52.0]


Ex Input:
[17, -31, 89, -43, 58, -50, 2, -61]

Ex Output:

[-7.0, 29.0, 23.0, 7.5, 4.0, -24.0, -29.5]