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: [-1, 75, -1, -37, -38, -10, 70, -75, -98, 39, 37, -15, 60]

Answer: [37.0, 37.0, -19.0, -37.5, -24.0, 30.0, -2.5, -86.5, -29.5, 38.0, 11.0, 22.5]


Question: [20, -40, -63, 94, -53, -6, 18, 47, -18, -20, -94, 71, 17, 26]

Answer: [-10.0, -51.5, 15.5, 20.5, -29.5, 6.0, 32.5, 14.5, -19.0, -57.0, -11.5, 44.0, 21.5]


Question: [-70, -66]

Answer:
[-68.0]