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: [-29, 22, -42, -12, 58, 25, -52, -44, 94, -43, -69]

Answer: [-3.5, -10.0, -27.0, 23.0, 41.5, -13.5, -48.0, 25.0, 25.5, -56.0]


Question: [53, 13, 15]

Answer: [33.0, 14.0]


Question: [-64, 90, 38, -93, -99, -1, -17, 73, -53]

Answer:
[13.0, 64.0, -27.5, -96.0, -50.0, -9.0, 28.0, 10.0]