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].

Q: [14, -42]

A: [-14.0]
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Q: [55, -33, 9, 23, -18, -6, -90, -6, -78]

A: [11.0, -12.0, 16.0, 2.5, -12.0, -48.0, -48.0, -42.0]
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Q: [16, -83, -27, -72, 48, -84]

A:
[-33.5, -55.0, -49.5, -12.0, -18.0]
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