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: [93, -20, -64, -4, -73, 78, -84, 84, -87]

Answer: [36.5, -42.0, -34.0, -38.5, 2.5, -3.0, 0.0, -1.5]


Question: [-12, -89]

Answer: [-50.5]


Question: [96, 80, -22, -32, -64, -78, -40]

Answer:
[88.0, 29.0, -27.0, -48.0, -71.0, -59.0]