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: [-27, 83, -67, 51, -57, -18, -59, 85, -84, 68, 16, 61]

Answer: [28.0, 8.0, -8.0, -3.0, -37.5, -38.5, 13.0, 0.5, -8.0, 42.0, 38.5]


Question: [40, 71, -1, -56, -2, 41, 15, -55, -62, 64, 100]

Answer: [55.5, 35.0, -28.5, -29.0, 19.5, 28.0, -20.0, -58.5, 1.0, 82.0]


Question: [49, 100, 58, 72, 56, 39, 35, 35, 27, 71, 85, -5]

Answer:
[74.5, 79.0, 65.0, 64.0, 47.5, 37.0, 35.0, 31.0, 49.0, 78.0, 40.0]