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: [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: [-89, -9, -14, -28, 41, 44, 86, 40, 75, 30, -1, 86]

Answer: [-49.0, -11.5, -21.0, 6.5, 42.5, 65.0, 63.0, 57.5, 52.5, 14.5, 42.5]


Question: [-48, 46, 42, -10, -84, -33, -48, 66, -51, 12, -17, -81, -18]

Answer:
[-1.0, 44.0, 16.0, -47.0, -58.5, -40.5, 9.0, 7.5, -19.5, -2.5, -49.0, -49.5]