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, -99, 93, 44, 8, -55, 48, 2, 22, 45]

Ex Output:
[-64.0, -3.0, 68.5, 26.0, -23.5, -3.5, 25.0, 12.0, 33.5]


Ex Input:
[12, -25, -52]

Ex Output:
[-6.5, -38.5]


Ex Input:
[84, 16, 6, 4, -83, -70, -71, 60, -79]

Ex Output:

[50.0, 11.0, 5.0, -39.5, -76.5, -70.5, -5.5, -9.5]