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: [-100, 41, -68, -31, -71, -40, 77]

Answer: [-29.5, -13.5, -49.5, -51.0, -55.5, 18.5]


Question: [78, 3, 3, 50, 80, -76, -73, -20, -71, -29, -47, 4]

Answer: [40.5, 3.0, 26.5, 65.0, 2.0, -74.5, -46.5, -45.5, -50.0, -38.0, -21.5]


Question: [7, -70, -32, -3]

Answer:
[-31.5, -51.0, -17.5]