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: [17, -31, 89, -43, 58, -50, 2, -61]

Answer: [-7.0, 29.0, 23.0, 7.5, 4.0, -24.0, -29.5]


Question: [-30, 37, -83, -63, 52, 22, 80, 75, -98, -17]

Answer: [3.5, -23.0, -73.0, -5.5, 37.0, 51.0, 77.5, -11.5, -57.5]


Question: [63, 44, -32, 39, -3, 79, 76, -74, 57, -73, -42]

Answer:
[53.5, 6.0, 3.5, 18.0, 38.0, 77.5, 1.0, -8.5, -8.0, -57.5]