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:
[-38, 74, -68, -95, -2, -19, 29, 63, 11, 95, 82, -57, -50, -12]

Ex Output:
[18.0, 3.0, -81.5, -48.5, -10.5, 5.0, 46.0, 37.0, 53.0, 88.5, 12.5, -53.5, -31.0]


Ex Input:
[92, -79, 17, 91, 49, 10, -50, -35]

Ex Output:
[6.5, -31.0, 54.0, 70.0, 29.5, -20.0, -42.5]


Ex Input:
[50, -91, -20, -73]

Ex Output:

[-20.5, -55.5, -46.5]