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].

Q: [38, -15, -76]

A: [11.5, -45.5]
****
Q: [-13, 68, 35, -12, 21, -100, 20, -33, -92, 21, 20, -33, 48, -71]

A: [27.5, 51.5, 11.5, 4.5, -39.5, -40.0, -6.5, -62.5, -35.5, 20.5, -6.5, 7.5, -11.5]
****
Q: [-67, 61, 90, -85, 97, 4]

A:
[-3.0, 75.5, 2.5, 6.0, 50.5]
****