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: [10, 70, 61, -80, 6, 39, -83, 31, -25]

Answer: [40.0, 65.5, -9.5, -37.0, 22.5, -22.0, -26.0, 3.0]


Question: [42, -88, 79, -30, 60, 0, -35, -9, -72, 97, -57, -41, -43]

Answer: [-23.0, -4.5, 24.5, 15.0, 30.0, -17.5, -22.0, -40.5, 12.5, 20.0, -49.0, -42.0]


Question: [12, 3, -86, -48, 56, -78, -49, 36, 68, -2, -25, -60]

Answer:
[7.5, -41.5, -67.0, 4.0, -11.0, -63.5, -6.5, 52.0, 33.0, -13.5, -42.5]