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: [-68, 93, -7, 31, -45, -70, -28, 78]

Answer: [12.5, 43.0, 12.0, -7.0, -57.5, -49.0, 25.0]


Question: [7, -10, -55, 26, -43, 13, 16, -100, 57, 71, 98, -89, 35]

Answer: [-1.5, -32.5, -14.5, -8.5, -15.0, 14.5, -42.0, -21.5, 64.0, 84.5, 4.5, -27.0]


Question: [61, 63, -60, -39, 72, 38, -72, -31, 100, -62, -22, -15, 87]

Answer:
[62.0, 1.5, -49.5, 16.5, 55.0, -17.0, -51.5, 34.5, 19.0, -42.0, -18.5, 36.0]