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: [-19, 70, -70, -72, 67, 39, -45, -57, -75]

Answer: [25.5, 0.0, -71.0, -2.5, 53.0, -3.0, -51.0, -66.0]


Question: [64, -46, 87, -20, -46, -57, -4, -10]

Answer: [9.0, 20.5, 33.5, -33.0, -51.5, -30.5, -7.0]


Question: [22, 44, 85, -48, -50, -54, -52, -43, 71, 49]

Answer:
[33.0, 64.5, 18.5, -49.0, -52.0, -53.0, -47.5, 14.0, 60.0]