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: [-51, 1, -77, -80, 33, -42, 41, 86, -18, 58]

Answer: [-25.0, -38.0, -78.5, -23.5, -4.5, -0.5, 63.5, 34.0, 20.0]


Question: [28, -73, 21, 11, -21, -45, 2]

Answer:
[-22.5, -26.0, 16.0, -5.0, -33.0, -21.5]