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: [83, 68, 64, 59]

Answer: [75.5, 66.0, 61.5]


Question: [99, -28, -18, -89, -14, -80, -54, -84, -82]

Answer: [35.5, -23.0, -53.5, -51.5, -47.0, -67.0, -69.0, -83.0]


Question: [59, 25, -27, -86, 84, 33, 89, 19, 95, -89, 13]

Answer:
[42.0, -1.0, -56.5, -1.0, 58.5, 61.0, 54.0, 57.0, 3.0, -38.0]