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:
[-29, 30, -85, 70, 5, -41]

Ex Output:
[0.5, -27.5, -7.5, 37.5, -18.0]


Ex Input:
[66, -73, -61, -3, 2, -47, -91, 97, 58, -62, 81, -71, -43, -40, -65]

Ex Output:
[-3.5, -67.0, -32.0, -0.5, -22.5, -69.0, 3.0, 77.5, -2.0, 9.5, 5.0, -57.0, -41.5, -52.5]


Ex Input:
[-87, 44, 57, 26, 1, 60, 37, 24, 4, -49, -33, -56, 41, -97, 86]

Ex Output:

[-21.5, 50.5, 41.5, 13.5, 30.5, 48.5, 30.5, 14.0, -22.5, -41.0, -44.5, -7.5, -28.0, -5.5]