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: [9, 62, 4, -63, -50, 9, -19, -42, -20]

Answer: [35.5, 33.0, -29.5, -56.5, -20.5, -5.0, -30.5, -31.0]


Question: [93, 67, 33, -57, -41, 49, -18, 10, 10]

Answer: [80.0, 50.0, -12.0, -49.0, 4.0, 15.5, -4.0, 10.0]


Question: [51, 64, 73, 87, 40, 83, -97, -17, 17, 17, -25, -75, 92]

Answer:
[57.5, 68.5, 80.0, 63.5, 61.5, -7.0, -57.0, 0.0, 17.0, -4.0, -50.0, 8.5]