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].
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Question: [-20, -22, -38, 68, 32, -96, 79, 4, -39, -49]

Answer: [-21.0, -30.0, 15.0, 50.0, -32.0, -8.5, 41.5, -17.5, -44.0]


Question: [-42, -27, -37, -63, 89, -61, -68]

Answer: [-34.5, -32.0, -50.0, 13.0, 14.0, -64.5]


Question: [-2, 26, -25, -10, -11, 97]

Answer:
[12.0, 0.5, -17.5, -10.5, 43.0]