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: [42, 42, 0, -99, -11, 17, -42, -72]

Answer: [42.0, 21.0, -49.5, -55.0, 3.0, -12.5, -57.0]


Question: [67, 45, 59, -50, -28, -70, -84, 69, 72, 53]

Answer: [56.0, 52.0, 4.5, -39.0, -49.0, -77.0, -7.5, 70.5, 62.5]


Question: [35, 90, -30, -22]

Answer:
[62.5, 30.0, -26.0]