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: [-21, 10, 33, 79, -27, 13, -24, 64, -2, 23]

Answer: [-5.5, 21.5, 56.0, 26.0, -7.0, -5.5, 20.0, 31.0, 10.5]


Question: [51, -95, 3, 67, 33, -55, -29, 65, -85, -91]

Answer: [-22.0, -46.0, 35.0, 50.0, -11.0, -42.0, 18.0, -10.0, -88.0]


Question: [-55, -71, -30, -22]

Answer:
[-63.0, -50.5, -26.0]