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: [-14, 33, -89]

Answer: [9.5, -28.0]


Question: [-20, -20, 87, -95, 61, -9, -35]

Answer: [-20.0, 33.5, -4.0, -17.0, 26.0, -22.0]


Question: [-8, -38, -46, -18, -77]

Answer:
[-23.0, -42.0, -32.0, -47.5]