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].
--------
Question: [75, 67, 18, -15, -51, -80, -73]

Answer: [71.0, 42.5, 1.5, -33.0, -65.5, -76.5]


Question: [-79, -48, 58, -34, 17]

Answer: [-63.5, 5.0, 12.0, -8.5]


Question: [-13, 78, 9, 31, 27, 73, -25, -97, -47, 40]

Answer:
[32.5, 43.5, 20.0, 29.0, 50.0, 24.0, -61.0, -72.0, -3.5]