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: [68, 45, 84, -67, 13, 49, 20, 80, -5, -20, 52]

Answer: [56.5, 64.5, 8.5, -27.0, 31.0, 34.5, 50.0, 37.5, -12.5, 16.0]


Question: [-1, -95, 61, -8, 6, 98, 96, -32, 66, 44, -23, -90]

Answer: [-48.0, -17.0, 26.5, -1.0, 52.0, 97.0, 32.0, 17.0, 55.0, 10.5, -56.5]


Question: [-23, -57]

Answer:
[-40.0]