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:
[75, 72, -1, -74, -80, 11, 16, 8, 32, 85, 53]

Ex Output:
[73.5, 35.5, -37.5, -77.0, -34.5, 13.5, 12.0, 20.0, 58.5, 69.0]


Ex Input:
[-68, 93, -7, 31, -45, -70, -28, 78]

Ex Output:
[12.5, 43.0, 12.0, -7.0, -57.5, -49.0, 25.0]


Ex Input:
[18, 27, 0, 72, -58]

Ex Output:

[22.5, 13.5, 36.0, 7.0]