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: [-50, 66, -98, -47, -11]

Answer: [8.0, -16.0, -72.5, -29.0]


Question: [-14, 33, -89]

Answer: [9.5, -28.0]


Question: [30, 4, 19, 28, -28, 81, 78, -64, -4, 6, -33, 44, -76]

Answer:
[17.0, 11.5, 23.5, 0.0, 26.5, 79.5, 7.0, -34.0, 1.0, -13.5, 5.5, -16.0]