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: [83, -11, 38]

A: [36.0, 13.5]
****
Q: [-32, -39, -13]

A: [-35.5, -26.0]
****
Q: [-69, -11, -90, -29, 42, 14, 86, 79, -86, -15, -6, 84, 36, 57]

A:
[-40.0, -50.5, -59.5, 6.5, 28.0, 50.0, 82.5, -3.5, -50.5, -10.5, 39.0, 60.0, 46.5]
****