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].
--------
Question: [55, -33, 9, 23, -18, -6, -90, -6, -78]

Answer: [11.0, -12.0, 16.0, 2.5, -12.0, -48.0, -48.0, -42.0]


Question: [34, -47, 92, -36, 63, 63, -15, 93, 3, -77, -86, -12, -86]

Answer: [-6.5, 22.5, 28.0, 13.5, 63.0, 24.0, 39.0, 48.0, -37.0, -81.5, -49.0, -49.0]


Question: [-50, -57, 27, 20, 0, -86, -28, 59, 36, -91, -51, 24, 65]

Answer:
[-53.5, -15.0, 23.5, 10.0, -43.0, -57.0, 15.5, 47.5, -27.5, -71.0, -13.5, 44.5]