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: [-60, 14, 11, 76]

Answer: [-23.0, 12.5, 43.5]


Question: [72, -90, -99, -88, -87, -26, -40, -45, 69, 32, 57, 21, -67]

Answer: [-9.0, -94.5, -93.5, -87.5, -56.5, -33.0, -42.5, 12.0, 50.5, 44.5, 39.0, -23.0]


Question: [86, -59, -71, -25, 26, -77]

Answer:
[13.5, -65.0, -48.0, 0.5, -25.5]