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, 10, 33, 79, -27, 13, -24, 64, -2, 23]

Answer: [-5.5, 21.5, 56.0, 26.0, -7.0, -5.5, 20.0, 31.0, 10.5]


Question: [-32, -39, -13]

Answer: [-35.5, -26.0]


Question: [-61, -90, -36, 97, -72, -57]

Answer:
[-75.5, -63.0, 30.5, 12.5, -64.5]