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: [-21, 13, 42, 12, 48, 35, -98, -25, -7, 21, 35, -24, -45]

Answer: [-4.0, 27.5, 27.0, 30.0, 41.5, -31.5, -61.5, -16.0, 7.0, 28.0, 5.5, -34.5]


Question: [59, -19, -85]

Answer: [20.0, -52.0]


Question: [1, -14, 5, -70, -73, -34, -65, 26, -66, 1, 8, 2, 32]

Answer:
[-6.5, -4.5, -32.5, -71.5, -53.5, -49.5, -19.5, -20.0, -32.5, 4.5, 5.0, 17.0]