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: [-99, 43, 6, 55, 74, -46, 24, -6, -51, 47, 32]

Answer: [-28.0, 24.5, 30.5, 64.5, 14.0, -11.0, 9.0, -28.5, -2.0, 39.5]


Question: [22, -56]

Answer: [-17.0]


Question: [51, 24, -1, -67, -62, 70, 31, -17, -28, -55, -51]

Answer:
[37.5, 11.5, -34.0, -64.5, 4.0, 50.5, 7.0, -22.5, -41.5, -53.0]