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:
[-5, -44, -38, -22, 11, -30, 24, -16, -28, -62]

Ex Output:
[-24.5, -41.0, -30.0, -5.5, -9.5, -3.0, 4.0, -22.0, -45.0]


Ex Input:
[-30, -31, 75, 43, 12, -78, 39, 74, 69, -92, -23, -22]

Ex Output:
[-30.5, 22.0, 59.0, 27.5, -33.0, -19.5, 56.5, 71.5, -11.5, -57.5, -22.5]


Ex Input:
[77, -55, -53, 57]

Ex Output:

[11.0, -54.0, 2.0]