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: [1, -64, 72, 62, -38, 29, -93, 75, -71, 49, -41, 33, 73]

Answer: [-31.5, 4.0, 67.0, 12.0, -4.5, -32.0, -9.0, 2.0, -11.0, 4.0, -4.0, 53.0]


Question: [-97, -65, -55, 15]

Answer: [-81.0, -60.0, -20.0]


Question: [-6, -69]

Answer:
[-37.5]