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: [1, -85]

A: [-42.0]
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Q: [-50, -74, 52, -21, 29, -11]

A: [-62.0, -11.0, 15.5, 4.0, 9.0]
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Q: [-75, -57, 99, 63, 48, -51, 23, -49, 69, 82, 10, 21, -21]

A:
[-66.0, 21.0, 81.0, 55.5, -1.5, -14.0, -13.0, 10.0, 75.5, 46.0, 15.5, 0.0]
****