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: [44, -69, 2, -20, -20]

Answer: [-12.5, -33.5, -9.0, -20.0]


Question: [-31, 39, -47]

Answer: [4.0, -4.0]


Question: [69, -74, -94, -45, -30, 79, 86, 69, -78, 74, -6, -7]

Answer:
[-2.5, -84.0, -69.5, -37.5, 24.5, 82.5, 77.5, -4.5, -2.0, 34.0, -6.5]