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: [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: [76, -70, 13, 17, 80, 21, 62]

Answer: [3.0, -28.5, 15.0, 48.5, 50.5, 41.5]


Question: [-23, 63, -6, 66, -53, 18, -45]

Answer:
[20.0, 28.5, 30.0, 6.5, -17.5, -13.5]