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:
[-10, 80, -47, 88, 17, 70, -21, 5]

Ex Output:
[35.0, 16.5, 20.5, 52.5, 43.5, 24.5, -8.0]


Ex Input:
[76, 77, 36, 41]

Ex Output:
[76.5, 56.5, 38.5]


Ex Input:
[-37, -95, -44, -10, 85, 0, -42, -20, 26, 46]

Ex Output:

[-66.0, -69.5, -27.0, 37.5, 42.5, -21.0, -31.0, 3.0, 36.0]


