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:
[33, -76, 34, -35, 27, 74]

Ex Output:
[-21.5, -21.0, -0.5, -4.0, 50.5]


Ex Input:
[40, 77, 36, 50, 36, 89, -13, 75, -57, -13, 15, 42, 72, 21]

Ex Output:
[58.5, 56.5, 43.0, 43.0, 62.5, 38.0, 31.0, 9.0, -35.0, 1.0, 28.5, 57.0, 46.5]


Ex Input:
[-95, -62, -8, -65, 54]

Ex Output:

[-78.5, -35.0, -36.5, -5.5]


