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: [-57, -27, -20, 4, -82, 58, -39, 92, 64, -68, -21]

A: [-42.0, -23.5, -8.0, -39.0, -12.0, 9.5, 26.5, 78.0, -2.0, -44.5]
****
Q: [-10, -79, -72, -24, 58, 25, 48, -12, -41, -28, 41, 23, -92, -96]

A: [-44.5, -75.5, -48.0, 17.0, 41.5, 36.5, 18.0, -26.5, -34.5, 6.5, 32.0, -34.5, -94.0]
****
Q: [38, -15, -76]

A:
[11.5, -45.5]
****