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: [25, 11, -70, 49, 17, 25, -51, -78, -13, -69, -55, 83, -8]

Answer: [18.0, -29.5, -10.5, 33.0, 21.0, -13.0, -64.5, -45.5, -41.0, -62.0, 14.0, 37.5]


Question: [-100, -17, -69, 0, 35, -39, -34, -70, 21, 55, -74, -63]

Answer: [-58.5, -43.0, -34.5, 17.5, -2.0, -36.5, -52.0, -24.5, 38.0, -9.5, -68.5]


Question: [-10, 11, 36]

Answer:
[0.5, 23.5]