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: [78, 3, 3, 50, 80, -76, -73, -20, -71, -29, -47, 4]

Answer: [40.5, 3.0, 26.5, 65.0, 2.0, -74.5, -46.5, -45.5, -50.0, -38.0, -21.5]


Question: [43, 90, -72, -46, 22]

Answer: [66.5, 9.0, -59.0, -12.0]


Question: [98, -13, 69, -67]

Answer:
[42.5, 28.0, 1.0]