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:
[0, -85, 1, 64, 53, -80, 18, 45, 57, -84, -11, 80, -23, 91]

Ex Output:
[-42.5, -42.0, 32.5, 58.5, -13.5, -31.0, 31.5, 51.0, -13.5, -47.5, 34.5, 28.5, 34.0]


Ex Input:
[9, 43, 32, 49, 89, -91, -51, -62, 48, -80, -25, -35, 27, -12]

Ex Output:
[26.0, 37.5, 40.5, 69.0, -1.0, -71.0, -56.5, -7.0, -16.0, -52.5, -30.0, -4.0, 7.5]


Ex Input:
[48, 93, -12, 60, -58, 90, 52, -99]

Ex Output:

[70.5, 40.5, 24.0, 1.0, 16.0, 71.0, -23.5]