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: [84, -86, 12, 56, 39, 30]

A: [-1.0, -37.0, 34.0, 47.5, 34.5]
****
Q: [43, -57]

A: [-7.0]
****
Q: [-31, -51, 85, -91, 92, -62, -16, 86, -63, 60, -7, -37, -9, 74, -75]

A:
[-41.0, 17.0, -3.0, 0.5, 15.0, -39.0, 35.0, 11.5, -1.5, 26.5, -22.0, -23.0, 32.5, -0.5]
****