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: [20, 17, 12, -4, 33, -71, 17, -43, 72, -53, 80]

Answer: [18.5, 14.5, 4.0, 14.5, -19.0, -27.0, -13.0, 14.5, 9.5, 13.5]


Question: [81, -51, 1, -76, 11, 93, -3, 40, -15, -37, -20, -34, -85, -64, -34]

Answer: [15.0, -25.0, -37.5, -32.5, 52.0, 45.0, 18.5, 12.5, -26.0, -28.5, -27.0, -59.5, -74.5, -49.0]


Question: [-95, -24, -81, 22, -8, -1, 0, -80, -75, -53]

Answer:
[-59.5, -52.5, -29.5, 7.0, -4.5, -0.5, -40.0, -77.5, -64.0]