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: [18, -10, 28, 29, -23, 98]

Answer: [4.0, 9.0, 28.5, 3.0, 37.5]


Question: [25, 11, -70, 49, 17, 25, -51, -78, -13, -69, -55, 83, -8]

Answer: [18.0, -29.5, -10.5, 33.0, 21.0, -13.0, -64.5, -45.5, -41.0, -62.0, 14.0, 37.5]


Question: [-67, -69, 9, -62, 76, -13, 7, -76, -5, 70, -58, 2, -41, 14, 78]

Answer:
[-68.0, -30.0, -26.5, 7.0, 31.5, -3.0, -34.5, -40.5, 32.5, 6.0, -28.0, -19.5, -13.5, 46.0]